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86704737 = 3731133187
BaseRepresentation
bin1010010101100…
…00001001100001
320001011001112120
411022300021201
5134144022422
612334214453
72101656330
oct512601141
9201131476
1086704737
1144a40609
1225054429
1314c6a0a2
14b72dd17
15792a45c
hex52b0261

86704737 has 16 divisors (see below), whose sum is σ = 136384512. Its totient is φ = 47946960.

The previous prime is 86704699. The next prime is 86704741. The reversal of 86704737 is 73740768.

It is not a de Polignac number, because 86704737 - 28 = 86704481 is a prime.

It is a super-2 number, since 2×867047372 = 15035422836478338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86704757) 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, 65943 + ... + 67244.

It is an arithmetic number, because the mean of its divisors is an integer number (8524032).

Almost surely, 286704737 is an apocalyptic number.

It is an amenable number.

86704737 is a deficient number, since it is larger than the sum of its proper divisors (49679775).

86704737 is a wasteful number, since it uses less digits than its factorization.

86704737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133228.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 86704737 is about 9311.5378429130. The cubic root of 86704737 is about 442.6029202971.

The spelling of 86704737 in words is "eighty-six million, seven hundred four thousand, seven hundred thirty-seven".

Divisors: 1 3 7 21 31 93 217 651 133187 399561 932309 2796927 4128797 12386391 28901579 86704737