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87392 = 252731
BaseRepresentation
bin10101010101100000
311102212202
4111111200
510244032
61512332
7512534
oct252540
9142782
1087392
115a728
12426a8
1330a16
1423bc4
hex15560

87392 has 12 divisors (see below), whose sum is σ = 172116. Its totient is φ = 43680.

The previous prime is 87383. The next prime is 87403. The reversal of 87392 is 29378.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87392.

It is an unprimeable number.

87392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (14343).

287392 is an apocalyptic number.

It is an amenable number.

87392 is a deficient number, since it is larger than the sum of its proper divisors (84724).

87392 is a wasteful number, since it uses less digits than its factorization.

87392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741 (or 2733 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 87392 is about 295.6213794704. The cubic root of 87392 is about 44.3769271133.

The spelling of 87392 in words is "eighty-seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 2731 5462 10924 21848 43696 87392