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80896572 = 22322247127
BaseRepresentation
bin1001101001001…
…10001000111100
312122012222020100
410310212020330
5131202142242
612005521100
72001416031
oct464461074
9178188210
1080896572
1141733879
1223113190
13139b54c3
14aa5b388
15717e54c
hex4d2623c

80896572 has 18 divisors (see below), whose sum is σ = 204488648. Its totient is φ = 26965512.

The previous prime is 80896549. The next prime is 80896597. The reversal of 80896572 is 27569808.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×808965722 = 13088510722702368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123528 + ... + 1123599.

Almost surely, 280896572 is an apocalyptic number.

It is an amenable number.

80896572 is an abundant number, since it is smaller than the sum of its proper divisors (123592076).

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

80896572 is a wasteful number, since it uses less digits than its factorization.

80896572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247137 (or 2247132 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 80896572 is about 8994.2521645771. The cubic root of 80896572 is about 432.4906334078.

The spelling of 80896572 in words is "eighty million, eight hundred ninety-six thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 2247127 4494254 6741381 8988508 13482762 20224143 26965524 40448286 80896572