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87088396 = 22238211153
BaseRepresentation
bin1010011000011…
…01110100001100
320001212112211011
411030031310030
5134243312041
612350335004
72105145013
oct514156414
9201775734
1087088396
114518288a
12251ba464
13150728c5
14b7cda7a
1579a3e81
hex530dd0c

87088396 has 24 divisors (see below), whose sum is σ = 159362784. Its totient is φ = 41564160.

The previous prime is 87088367. The next prime is 87088403. The reversal of 87088396 is 69388078.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74956 + ... + 76108.

It is an arithmetic number, because the mean of its divisors is an integer number (6640116).

Almost surely, 287088396 is an apocalyptic number.

It is an amenable number.

87088396 is a deficient number, since it is larger than the sum of its proper divisors (72274388).

87088396 is a wasteful number, since it uses less digits than its factorization.

87088396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 87088396 is about 9332.1163730421. The cubic root of 87088396 is about 443.2547829751.

The spelling of 87088396 in words is "eighty-seven million, eighty-eight thousand, three hundred ninety-six".

Divisors: 1 2 4 23 46 92 821 1153 1642 2306 3284 4612 18883 26519 37766 53038 75532 106076 946613 1893226 3786452 21772099 43544198 87088396