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87930095 = 51121011439
BaseRepresentation
bin1010011110110…
…11010011101111
320010110022102012
411033123103233
5140002230340
612420351435
72115251651
oct517332357
9203408365
1087930095
11456a8200
122554557b
13152a8a56
14b96c6d1
157abd565
hex53db4ef

87930095 has 24 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 63272000.

The previous prime is 87930071. The next prime is 87930107. The reversal of 87930095 is 59003978.

It is not a de Polignac number, because 87930095 - 28 = 87929839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60386 + ... + 61824.

It is an arithmetic number, because the mean of its divisors is an integer number (4883760).

Almost surely, 287930095 is an apocalyptic number.

87930095 is a deficient number, since it is larger than the sum of its proper divisors (29280145).

87930095 is a wasteful number, since it uses less digits than its factorization.

87930095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 87930095 is about 9377.1048303834. The cubic root of 87930095 is about 444.6782086344.

The spelling of 87930095 in words is "eighty-seven million, nine hundred thirty thousand, ninety-five".

Divisors: 1 5 11 55 101 121 505 605 1111 1439 5555 7195 12221 15829 61105 79145 145339 174119 726695 870595 1598729 7993645 17586019 87930095