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87892014 = 2372092667
BaseRepresentation
bin1010011110100…
…10000000101110
320010101101011210
411033102000232
5140000021024
612415455250
72115032640
oct517220056
9203341153
1087892014
1145681631
1225527526
1315294612
14b95c890
157ab2129
hex53d202e

87892014 has 16 divisors (see below), whose sum is σ = 200896128. Its totient is φ = 25111992.

The previous prime is 87892009. The next prime is 87892031. The reversal of 87892014 is 41029878.

It is a super-2 number, since 2×878920142 = 15450012249952392, which contains 22 as substring.

It is a congruent 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, 1046292 + ... + 1046375.

It is an arithmetic number, because the mean of its divisors is an integer number (12556008).

Almost surely, 287892014 is an apocalyptic number.

87892014 is an abundant number, since it is smaller than the sum of its proper divisors (113004114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87892014 is a wasteful number, since it uses less digits than its factorization.

87892014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092679.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 87892014 is about 9375.0740797073. The cubic root of 87892014 is about 444.6140052236.

The spelling of 87892014 in words is "eighty-seven million, eight hundred ninety-two thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 42 2092667 4185334 6278001 12556002 14648669 29297338 43946007 87892014