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86757668 = 22199710861
BaseRepresentation
bin1010010101111…
…01000100100100
320001020202010222
411022331010210
5134202221133
612335303512
72102266544
oct512750444
9201222128
1086757668
1144a77358
122507ab98
1314c881ca
14b745324
15793ae98
hex52bd124

86757668 has 12 divisors (see below), whose sum is σ = 151915932. Its totient is φ = 43353120.

The previous prime is 86757641. The next prime is 86757683. The reversal of 86757668 is 86675768.

It can be written as a sum of positive squares in 2 ways, for example, as 14303524 + 72454144 = 3782^2 + 8512^2 .

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, 2558 + ... + 13418.

It is an arithmetic number, because the mean of its divisors is an integer number (12659661).

Almost surely, 286757668 is an apocalyptic number.

It is an amenable number.

86757668 is a deficient number, since it is larger than the sum of its proper divisors (65158264).

86757668 is a wasteful number, since it uses less digits than its factorization.

86757668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862 (or 12860 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 86757668 is about 9314.3796358104. The cubic root of 86757668 is about 442.6929678551.

The spelling of 86757668 in words is "eighty-six million, seven hundred fifty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 1997 3994 7988 10861 21722 43444 21689417 43378834 86757668