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3005255040 = 27352237019
BaseRepresentation
bin1011001100100000…
…1000110110000000
321202102220202220020
42303020020312000
522123321130130
61214113013440
7134321150334
oct26310106600
97672822806
103005255040
11130242a657
126ba554280
1338b804428
142071b37c4
15128c80e10
hexb3208d80

3005255040 has 128 divisors (see below), whose sum is σ = 9623577600. Its totient is φ = 797693952.

The previous prime is 3005255027. The next prime is 3005255063. The reversal of 3005255040 is 405525003.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3005255040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424651 + ... + 431669.

It is an arithmetic number, because the mean of its divisors is an integer number (75184200).

Almost surely, 23005255040 is an apocalyptic number.

3005255040 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 3005255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4811788800).

3005255040 is an abundant number, since it is smaller than the sum of its proper divisors (6618322560).

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

3005255040 is a wasteful number, since it uses less digits than its factorization.

3005255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7264 (or 7252 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 3005255040 is about 54820.2064935914. The cubic root of 3005255040 is about 1443.0911989863.

The spelling of 3005255040 in words is "three billion, five million, two hundred fifty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 223 240 320 384 446 480 640 669 892 960 1115 1338 1784 1920 2230 2676 3345 3568 4460 5352 6690 7019 7136 8920 10704 13380 14038 14272 17840 21057 21408 26760 28076 28544 35095 35680 42114 42816 53520 56152 70190 71360 84228 85632 105285 107040 112304 140380 142720 168456 210570 214080 224608 280760 336912 421140 428160 449216 561520 673824 842280 898432 1123040 1347648 1565237 1684560 2246080 2695296 3130474 3369120 4492160 4695711 6260948 6738240 7826185 9391422 12521896 13476480 15652370 18782844 23478555 25043792 31304740 37565688 46957110 50087584 62609480 75131376 93914220 100175168 125218960 150262752 187828440 200350336 250437920 300525504 375656880 500875840 601051008 751313760 1001751680 1502627520 3005255040