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70996872 = 23329831229
BaseRepresentation
bin1000011101101…
…01001110001000
311221121000101210
410032311032020
5121133344442
611013413120
71521314652
oct416651610
9157530353
1070996872
1137092001
121b93a1a0
131192a4ab
1496016d2
15637619c
hex43b5388

70996872 has 64 divisors (see below), whose sum is σ = 185976000. Its totient is φ = 22555904.

The previous prime is 70996867. The next prime is 70996873. The reversal of 70996872 is 27869907.

It is not an unprimeable number, because it can be changed into a prime (70996873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57154 + ... + 58382.

It is an arithmetic number, because the mean of its divisors is an integer number (2905875).

Almost surely, 270996872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70996872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92988000).

70996872 is an abundant number, since it is smaller than the sum of its proper divisors (114979128).

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

70996872 is a wasteful number, since it uses less digits than its factorization.

70996872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 70996872 is about 8425.9641584806. The cubic root of 70996872 is about 414.0756938774.

The spelling of 70996872 in words is "seventy million, nine hundred ninety-six thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 29 58 83 87 116 166 174 232 249 332 348 498 664 696 996 1229 1992 2407 2458 3687 4814 4916 7221 7374 9628 9832 14442 14748 19256 28884 29496 35641 57768 71282 102007 106923 142564 204014 213846 285128 306021 408028 427692 612042 816056 855384 1224084 2448168 2958203 5916406 8874609 11832812 17749218 23665624 35498436 70996872