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86370212 = 22181111923
BaseRepresentation
bin1010010010111…
…10011110100100
320000112001122202
411021132132210
5134102321322
612323114032
72066064125
oct511363644
9200461582
1086370212
1144832245
1224b12918
1314b80a46
14b68404c
1578b1292
hex525e7a4

86370212 has 12 divisors (see below), whose sum is σ = 151244016. Its totient is φ = 43157640.

The previous prime is 86370211. The next prime is 86370227. The reversal of 86370212 is 21207368.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86370211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 13205.

It is an arithmetic number, because the mean of its divisors is an integer number (12603668).

Almost surely, 286370212 is an apocalyptic number.

It is an amenable number.

86370212 is a deficient number, since it is larger than the sum of its proper divisors (64873804).

86370212 is a wasteful number, since it uses less digits than its factorization.

86370212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13738 (or 13736 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 86370212 is about 9293.5575534883. The cubic root of 86370212 is about 442.0329684737.

The spelling of 86370212 in words is "eighty-six million, three hundred seventy thousand, two hundred twelve".

Divisors: 1 2 4 1811 3622 7244 11923 23846 47692 21592553 43185106 86370212