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87232285 = 5710723293
BaseRepresentation
bin1010011001100…
…00111100011101
320002010212012101
411030300330131
5134312413120
612353405101
72106314350
oct514607435
9202125171
1087232285
11452709a8
1225269791
13150c324a
14b82a297
1579d190a
hex5330f1d

87232285 has 16 divisors (see below), whose sum is σ = 120756096. Its totient is φ = 59254848.

The previous prime is 87232259. The next prime is 87232291. The reversal of 87232285 is 58223278.

It is a cyclic number.

It is not a de Polignac number, because 87232285 - 27 = 87232157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7902 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (7547256).

Almost surely, 287232285 is an apocalyptic number.

It is an amenable number.

87232285 is a deficient number, since it is larger than the sum of its proper divisors (33523811).

87232285 is a wasteful number, since it uses less digits than its factorization.

87232285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412.

The product of its digits is 53760, while the sum is 37.

The square root of 87232285 is about 9339.8225357873. The cubic root of 87232285 is about 443.4987664706.

The spelling of 87232285 in words is "eighty-seven million, two hundred thirty-two thousand, two hundred eighty-five".

Divisors: 1 5 7 35 107 535 749 3745 23293 116465 163051 815255 2492351 12461755 17446457 87232285