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86053645 = 517210729
BaseRepresentation
bin1010010000100…
…01001100001101
312222220222102001
411020101030031
5134012204040
612312232301
72063305156
oct510211415
9188828361
1086053645
1144636417
122499b691
1314a9c922
14b60092d
15784c59a
hex521130d

86053645 has 4 divisors (see below), whose sum is σ = 103264380. Its totient is φ = 68842912.

The previous prime is 86053637. The next prime is 86053691. The reversal of 86053645 is 54635068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60621796 + 25431849 = 7786^2 + 5043^2 .

It is a cyclic number.

It is not a de Polignac number, because 86053645 - 23 = 86053637 is a prime.

It is a super-3 number, since 3×860536453 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8605360 + ... + 8605369.

It is an arithmetic number, because the mean of its divisors is an integer number (25816095).

Almost surely, 286053645 is an apocalyptic number.

It is an amenable number.

86053645 is a deficient number, since it is larger than the sum of its proper divisors (17210735).

86053645 is a wasteful number, since it uses less digits than its factorization.

86053645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17210734.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 86053645 is about 9276.5103891496. The cubic root of 86053645 is about 441.4922559646.

The spelling of 86053645 in words is "eighty-six million, fifty-three thousand, six hundred forty-five".

Divisors: 1 5 17210729 86053645