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83157892 = 2265931547
BaseRepresentation
bin1001111010011…
…10001110000100
312210110212011221
410331032032010
5132242023032
612130210124
72026554556
oct475161604
9183425157
1083157892
1142a38834
1223a23944
13142c786c
14b0894d6
157479597
hex4f4e384

83157892 has 12 divisors (see below), whose sum is σ = 145751760. Its totient is φ = 41514536.

The previous prime is 83157887. The next prime is 83157911. The reversal of 83157892 is 29875138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138 + ... + 18409.

It is an arithmetic number, because the mean of its divisors is an integer number (12145980).

Almost surely, 283157892 is an apocalyptic number.

It is an amenable number.

83157892 is a deficient number, since it is larger than the sum of its proper divisors (62593868).

83157892 is a wasteful number, since it uses less digits than its factorization.

83157892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32210 (or 32208 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 83157892 is about 9119.0949112289. The cubic root of 83157892 is about 436.4834927651.

The spelling of 83157892 in words is "eighty-three million, one hundred fifty-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 659 1318 2636 31547 63094 126188 20789473 41578946 83157892