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85365969 = 3132188871
BaseRepresentation
bin1010001011010…
…01010011010001
312221122001002120
411011221103101
5133323202334
612245404453
72054412243
oct505512321
9187561076
1085365969
1144206797
1224709729
13148bb910
14b4a2093
157763949
hex51694d1

85365969 has 8 divisors (see below), whose sum is σ = 122576832. Its totient is φ = 52532880.

The previous prime is 85365947. The next prime is 85365989. The reversal of 85365969 is 96956358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85365969 - 219 = 84841681 is a prime.

It is a super-2 number, since 2×853659692 = 14574697326617922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85365989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094397 + ... + 1094474.

It is an arithmetic number, because the mean of its divisors is an integer number (15322104).

Almost surely, 285365969 is an apocalyptic number.

It is an amenable number.

85365969 is a deficient number, since it is larger than the sum of its proper divisors (37210863).

85365969 is a wasteful number, since it uses less digits than its factorization.

85365969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188887.

The product of its digits is 1749600, while the sum is 51.

The square root of 85365969 is about 9239.3705954464. The cubic root of 85365969 is about 440.3130846767.

The spelling of 85365969 in words is "eighty-five million, three hundred sixty-five thousand, nine hundred sixty-nine".

Divisors: 1 3 13 39 2188871 6566613 28455323 85365969