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87412652 = 22139157217
BaseRepresentation
bin1010011010111…
…00111110101100
320002111000121122
411031130332230
5134334201102
612401320112
72110665245
oct515347654
9202430548
1087412652
1145384468
1225336038
1315157382
14b875ccc
157a1a0a2
hex535cfac

87412652 has 12 divisors (see below), whose sum is σ = 154073640. Its totient is φ = 43391616.

The previous prime is 87412603. The next prime is 87412709. The reversal of 87412652 is 25621478.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78053 + ... + 79164.

It is an arithmetic number, because the mean of its divisors is an integer number (12839470).

Almost surely, 287412652 is an apocalyptic number.

It is an amenable number.

87412652 is a deficient number, since it is larger than the sum of its proper divisors (66660988).

87412652 is a wasteful number, since it uses less digits than its factorization.

87412652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157360 (or 157358 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 87412652 is about 9349.4733541521. The cubic root of 87412652 is about 443.8042247563.

The spelling of 87412652 in words is "eighty-seven million, four hundred twelve thousand, six hundred fifty-two".

Divisors: 1 2 4 139 278 556 157217 314434 628868 21853163 43706326 87412652