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86676291 = 3313246941
BaseRepresentation
bin1010010101010…
…01001101000011
320001002121112000
411022221031003
5134142120131
612333435043
72101510362
oct512511503
9201077460
1086676291
1144a211a9
122503ba83
1314c5a160
14b7237d9
157921ce6
hex52a9343

86676291 has 16 divisors (see below), whose sum is σ = 138287520. Its totient is φ = 53339040.

The previous prime is 86676283. The next prime is 86676329. The reversal of 86676291 is 19267668.

It is not a de Polignac number, because 86676291 - 23 = 86676283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86675291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123120 + ... + 123821.

It is an arithmetic number, because the mean of its divisors is an integer number (8642970).

Almost surely, 286676291 is an apocalyptic number.

86676291 is a deficient number, since it is larger than the sum of its proper divisors (51611229).

86676291 is a wasteful number, since it uses less digits than its factorization.

86676291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246963 (or 246957 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86676291 is about 9310.0102577817. The cubic root of 86676291 is about 442.5545121007.

The spelling of 86676291 in words is "eighty-six million, six hundred seventy-six thousand, two hundred ninety-one".

Divisors: 1 3 9 13 27 39 117 351 246941 740823 2222469 3210233 6667407 9630699 28892097 86676291