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86774007 = 31913111621
BaseRepresentation
bin1010010110000…
…01000011110111
320001021120120010
411023001003313
5134203232012
612335511303
72102365305
oct513010367
9201246503
1086774007
1144a88661
1225088533
1314c92788
14b74b275
157940c3c
hex52c10f7

86774007 has 16 divisors (see below), whose sum is σ = 122728320. Its totient is φ = 54381600.

The previous prime is 86773987. The next prime is 86774011. The reversal of 86774007 is 70047768.

It is a happy number.

It is not a de Polignac number, because 86774007 - 216 = 86708471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86774027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (7670520).

Almost surely, 286774007 is an apocalyptic number.

86774007 is a deficient number, since it is larger than the sum of its proper divisors (35954313).

86774007 is a wasteful number, since it uses less digits than its factorization.

86774007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 86774007 is about 9315.2566792333. The cubic root of 86774007 is about 442.7207567778.

The spelling of 86774007 in words is "eighty-six million, seven hundred seventy-four thousand, seven".

Divisors: 1 3 19 57 131 393 2489 7467 11621 34863 220799 662397 1522351 4567053 28924669 86774007