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1415116640 = 25574130817
BaseRepresentation
bin101010001011000…
…1111011101100000
310122121210101002102
41110112033131200
510344232213030
6352230505532
750032202330
oct12426173540
93577711072
101415116640
11666884093
12335b052a8
13197242232
14d5d290c0
158437dc45
hex5458f760

1415116640 has 96 divisors (see below), whose sum is σ = 3914132544. Its totient is φ = 473333760.

The previous prime is 1415116621. The next prime is 1415116657. The reversal of 1415116640 is 466115141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30512 + ... + 61328.

It is an arithmetic number, because the mean of its divisors is an integer number (40772214).

Almost surely, 21415116640 is an apocalyptic number.

1415116640 is a gapful number since it is divisible by the number (10) 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 1415116640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957066272).

1415116640 is an abundant number, since it is smaller than the sum of its proper divisors (2499015904).

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

1415116640 is a wasteful number, since it uses less digits than its factorization.

1415116640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30880 (or 30872 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1415116640 is about 37618.0360997222. The cubic root of 1415116640 is about 1122.7009218664.

The spelling of 1415116640 in words is "one billion, four hundred fifteen million, one hundred sixteen thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 70 80 82 112 140 160 164 205 224 280 287 328 410 560 574 656 820 1120 1148 1312 1435 1640 2296 2870 3280 4592 5740 6560 9184 11480 22960 30817 45920 61634 123268 154085 215719 246536 308170 431438 493072 616340 862876 986144 1078595 1232680 1263497 1725752 2157190 2465360 2526994 3451504 4314380 4930720 5053988 6317485 6903008 8628760 8844479 10107976 12634970 17257520 17688958 20215952 25269940 34515040 35377916 40431904 44222395 50539880 70755832 88444790 101079760 141511664 176889580 202159520 283023328 353779160 707558320 1415116640