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86500897 = 712357271
BaseRepresentation
bin1010010011111…
…10011000100001
320000202200220221
411021332120201
5134121012042
612330003041
72100150130
oct511763041
9200680827
1086500897
114491144a
1224b76481
1314bc8382
14b6b9917
1578d9d67
hex527e621

86500897 has 4 divisors (see below), whose sum is σ = 98858176. Its totient is φ = 74143620.

The previous prime is 86500889. The next prime is 86500919. The reversal of 86500897 is 79800568.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86500897 - 23 = 86500889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86500837) 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 3 ways as a sum of consecutive naturals, for example, 6178629 + ... + 6178642.

It is an arithmetic number, because the mean of its divisors is an integer number (24714544).

Almost surely, 286500897 is an apocalyptic number.

It is an amenable number.

86500897 is a deficient number, since it is larger than the sum of its proper divisors (12357279).

86500897 is a wasteful number, since it uses less digits than its factorization.

86500897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357278.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 86500897 is about 9300.5858417629. The cubic root of 86500897 is about 442.2557998034.

The spelling of 86500897 in words is "eighty-six million, five hundred thousand, eight hundred ninety-seven".

Divisors: 1 7 12357271 86500897