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87427325 = 527944267
BaseRepresentation
bin1010011011000…
…00100011111101
320002111202202002
411031200203331
5134340133300
612401512045
72111056106
oct515404375
9202452662
1087427325
1145394497
1225342625
1315160c5b
14b87b3ad
157a1e5d5
hex53608fd

87427325 has 12 divisors (see below), whose sum is σ = 109784640. Its totient is φ = 69054960.

The previous prime is 87427297. The next prime is 87427343. The reversal of 87427325 is 52372478.

It is not a de Polignac number, because 87427325 - 28 = 87427069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20159 + ... + 24108.

It is an arithmetic number, because the mean of its divisors is an integer number (9148720).

Almost surely, 287427325 is an apocalyptic number.

It is an amenable number.

87427325 is a deficient number, since it is larger than the sum of its proper divisors (22357315).

87427325 is a wasteful number, since it uses less digits than its factorization.

87427325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44356 (or 44351 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 87427325 is about 9350.2580178303. The cubic root of 87427325 is about 443.8290555442.

The spelling of 87427325 in words is "eighty-seven million, four hundred twenty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 79 395 1975 44267 221335 1106675 3497093 17485465 87427325