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87010113 = 34347113127
BaseRepresentation
bin1010010111110…
…10101101000001
320001201120102210
411023322231001
5134233310423
612344532333
72104400541
oct513725501
9201646383
1087010113
1145129a93
12251810a9
1315046098
14b7ad321
15798ab93
hex52fab41

87010113 has 32 divisors (see below), whose sum is σ = 123273216. Its totient is φ = 54528768.

The previous prime is 87010103. The next prime is 87010123. The reversal of 87010113 is 31101078.

It is an interprime number because it is at equal distance from previous prime (87010103) and next prime (87010123).

It is not a de Polignac number, because 87010113 - 222 = 82815809 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87010113.

It is not an unprimeable number, because it can be changed into a prime (87010103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685056 + ... + 685182.

It is an arithmetic number, because the mean of its divisors is an integer number (3852288).

Almost surely, 287010113 is an apocalyptic number.

It is an amenable number.

87010113 is a deficient number, since it is larger than the sum of its proper divisors (36263103).

87010113 is a wasteful number, since it uses less digits than its factorization.

87010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 87010113 is about 9327.9211510390. The cubic root of 87010113 is about 443.1219305404.

The spelling of 87010113 in words is "eighty-seven million, ten thousand, one hundred thirteen".

Divisors: 1 3 43 47 113 127 129 141 339 381 2021 4859 5311 5461 5969 6063 14351 14577 15933 16383 17907 43053 228373 256667 617093 674497 685119 770001 1851279 2023491 29003371 87010113