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86707812 = 2237225651
BaseRepresentation
bin1010010101100…
…00111001100100
320001011012202110
411022300321210
5134144122222
612334241020
72102001312
oct512607144
9201135673
1086707812
1144a42954
1225056170
1314c6b5c9
14b7310b2
15792b30c
hex52b0e64

86707812 has 12 divisors (see below), whose sum is σ = 202318256. Its totient is φ = 28902600.

The previous prime is 86707807. The next prime is 86707843. The reversal of 86707812 is 21870768.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3612814 + ... + 3612837.

Almost surely, 286707812 is an apocalyptic number.

It is an amenable number.

86707812 is an abundant number, since it is smaller than the sum of its proper divisors (115610444).

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

86707812 is a wasteful number, since it uses less digits than its factorization.

86707812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225658 (or 7225656 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 86707812 is about 9311.7029591799. The cubic root of 86707812 is about 442.6081525675.

The spelling of 86707812 in words is "eighty-six million, seven hundred seven thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 7225651 14451302 21676953 28902604 43353906 86707812