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85959697 = 831035659
BaseRepresentation
bin1010001111110…
…10010000010001
312222202012112111
411013322100101
5134001202242
612310225321
72062434235
oct507722021
9188665474
1085959697
114458187a
1224955241
1314a68c35
14b5b85c5
15782e817
hex51fa411

85959697 has 4 divisors (see below), whose sum is σ = 86995440. Its totient is φ = 84923956.

The previous prime is 85959677. The next prime is 85959733. The reversal of 85959697 is 79695958.

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 85959697 - 211 = 85957649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85959677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517747 + ... + 517912.

It is an arithmetic number, because the mean of its divisors is an integer number (21748860).

Almost surely, 285959697 is an apocalyptic number.

It is an amenable number.

85959697 is a deficient number, since it is larger than the sum of its proper divisors (1035743).

85959697 is a wasteful number, since it uses less digits than its factorization.

85959697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035742.

The product of its digits is 6123600, while the sum is 58.

The square root of 85959697 is about 9271.4452487193. The cubic root of 85959697 is about 441.3315328957.

The spelling of 85959697 in words is "eighty-five million, nine hundred fifty-nine thousand, six hundred ninety-seven".

Divisors: 1 83 1035659 85959697