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3115949040 = 243351784857
BaseRepresentation
bin1011100110111001…
…1001101111110000
322001011012121112000
42321232121233300
522340140332130
61233105334000
7140134062351
oct27156315760
98034177460
103115949040
1113599656a6
1272b637300
133a8720639
14217b89d28
15133849260
hexb9b99bf0

3115949040 has 160 divisors (see below), whose sum is σ = 11364183360. Its totient is φ = 782032896.

The previous prime is 3115949027. The next prime is 3115949059. The reversal of 3115949040 is 409495113.

It is a happy number.

It is a super-3 number, since 3×31159490403 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3115948986 and 3115949004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5709 + ... + 79148.

It is an arithmetic number, because the mean of its divisors is an integer number (71026146).

Almost surely, 23115949040 is an apocalyptic number.

3115949040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115949040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5682091680).

3115949040 is an abundant number, since it is smaller than the sum of its proper divisors (8248234320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115949040 is a wasteful number, since it uses less digits than its factorization.

3115949040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84896 (or 84884 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 3115949040 is about 55820.6864880754. The cubic root of 3115949040 is about 1460.5960286159.

The spelling of 3115949040 in words is "three billion, one hundred fifteen million, nine hundred forty-nine thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 40 45 48 51 54 60 68 72 80 85 90 102 108 120 135 136 144 153 170 180 204 216 240 255 270 272 306 340 360 408 432 459 510 540 612 680 720 765 816 918 1020 1080 1224 1360 1530 1836 2040 2160 2295 2448 3060 3672 4080 4590 6120 7344 9180 12240 18360 36720 84857 169714 254571 339428 424285 509142 678856 763713 848570 1018284 1272855 1357712 1442569 1527426 1697140 2036568 2291139 2545710 2885138 3054852 3394280 3818565 4073136 4327707 4582278 5091420 5770276 6109704 6788560 7212845 7637130 8655414 9164556 10182840 11455695 11540552 12219408 12983121 14425690 15274260 17310828 18329112 20365680 21638535 22911390 23081104 25966242 28851380 30548520 34621656 36658224 38949363 43277070 45822780 51932484 57702760 61097040 64915605 69243312 77898726 86554140 91645560 103864968 115405520 129831210 155797452 173108280 183291120 194746815 207729936 259662420 311594904 346216560 389493630 519324840 623189808 778987260 1038649680 1557974520 3115949040