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80057032 = 23111947881
BaseRepresentation
bin1001100010110…
…01001011001000
312120122022121021
410301121023020
5130443311112
611535522224
71661321266
oct461311310
9176568537
1080057032
1141210040
1222989374
1313780333
14a8bd436
157065907
hex4c592c8

80057032 has 32 divisors (see below), whose sum is σ = 172375200. Its totient is φ = 34473600.

The previous prime is 80057017. The next prime is 80057039. The reversal of 80057032 is 23075008.

It is a junction number, because it is equal to n+sod(n) for n = 80056988 and 80057006.

It is not an unprimeable number, because it can be changed into a prime (80057039) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22269 + ... + 25612.

It is an arithmetic number, because the mean of its divisors is an integer number (5386725).

Almost surely, 280057032 is an apocalyptic number.

It is an amenable number.

80057032 is an abundant number, since it is smaller than the sum of its proper divisors (92318168).

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

80057032 is a wasteful number, since it uses less digits than its factorization.

80057032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47917 (or 47913 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 80057032 is about 8947.4595277095. The cubic root of 80057032 is about 430.9893067834.

The spelling of 80057032 in words is "eighty million, fifty-seven thousand, thirty-two".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 47881 95762 191524 383048 526691 909739 1053382 1819478 2106764 3638956 4213528 7277912 10007129 20014258 40028516 80057032