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86704545 = 3541140983
BaseRepresentation
bin1010010101100…
…00000110100001
320001011001021110
411022300012201
5134144021140
612334213533
72101655634
oct512600641
9201131243
1086704545
1144a40454
12250542a9
1314c69c85
14b72dc1b
15792a380
hex52b01a1

86704545 has 16 divisors (see below), whose sum is σ = 142111872. Its totient is φ = 45114240.

The previous prime is 86704537. The next prime is 86704547. The reversal of 86704545 is 54540768.

It is not a de Polignac number, because 86704545 - 23 = 86704537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86704547) 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, 69877 + ... + 71106.

It is an arithmetic number, because the mean of its divisors is an integer number (8881992).

Almost surely, 286704545 is an apocalyptic number.

It is an amenable number.

86704545 is a deficient number, since it is larger than the sum of its proper divisors (55407327).

86704545 is a wasteful number, since it uses less digits than its factorization.

86704545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141032.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 86704545 is about 9311.5275331172. The cubic root of 86704545 is about 442.6025935951.

The spelling of 86704545 in words is "eighty-six million, seven hundred four thousand, five hundred forty-five".

Divisors: 1 3 5 15 41 123 205 615 140983 422949 704915 2114745 5780303 17340909 28901515 86704545