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87108325 = 524381031
BaseRepresentation
bin1010011000100…
…10101011100101
320001220120011021
411030102223211
5134244431300
612351011141
72105260063
oct514225345
9201816137
1087108325
1145196857
1225209ab1
131507b9b5
14b7d7033
1579a9d1a
hex5312ae5

87108325 has 12 divisors (see below), whose sum is σ = 110527648. Its totient is φ = 68065200.

The previous prime is 87108317. The next prime is 87108347. The reversal of 87108325 is 52380178.

It is not a de Polignac number, because 87108325 - 23 = 87108317 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 39441 + ... + 41590.

Almost surely, 287108325 is an apocalyptic number.

It is an amenable number.

87108325 is a deficient number, since it is larger than the sum of its proper divisors (23419323).

87108325 is a wasteful number, since it uses less digits than its factorization.

87108325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81084 (or 81079 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 87108325 is about 9333.1840761875. The cubic root of 87108325 is about 443.2885913478.

The spelling of 87108325 in words is "eighty-seven million, one hundred eight thousand, three hundred twenty-five".

Divisors: 1 5 25 43 215 1075 81031 405155 2025775 3484333 17421665 87108325