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80136392 = 2371431007
BaseRepresentation
bin1001100011011…
…00100011001000
312120210100110112
410301230203020
5131003331032
611541333452
71662101540
oct461544310
9176710415
1080136392
1141264726
1222a07288
13137aa4ab
14a900320
15707e1b2
hex4c6c8c8

80136392 has 16 divisors (see below), whose sum is σ = 171720960. Its totient is φ = 34344144.

The previous prime is 80136383. The next prime is 80136403. The reversal of 80136392 is 29363108.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 715448 + ... + 715559.

It is an arithmetic number, because the mean of its divisors is an integer number (10732560).

Almost surely, 280136392 is an apocalyptic number.

It is an amenable number.

80136392 is an abundant number, since it is smaller than the sum of its proper divisors (91584568).

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

80136392 is a wasteful number, since it uses less digits than its factorization.

80136392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431020 (or 1431016 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 80136392 is about 8951.8932075846. The cubic root of 80136392 is about 431.1316720236.

The spelling of 80136392 in words is "eighty million, one hundred thirty-six thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 1431007 2862014 5724028 10017049 11448056 20034098 40068196 80136392