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85555269 = 3216756923
BaseRepresentation
bin1010001100101…
…11100001000101
312221222122202200
411012113201011
5133400232034
612253425113
72056131162
oct506274105
9187878680
1085555269
1144325a38
122479b199
1314956b27
14b511069
15779ea99
hex5197845

85555269 has 12 divisors (see below), whose sum is σ = 124322016. Its totient is φ = 56694312.

The previous prime is 85555229. The next prime is 85555273. The reversal of 85555269 is 96255558.

It is not a de Polignac number, because 85555269 - 28 = 85555013 is a prime.

It is a super-2 number, since 2×855552692 = 14639408107324722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85555229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26959 + ... + 29964.

It is an arithmetic number, because the mean of its divisors is an integer number (10360168).

Almost surely, 285555269 is an apocalyptic number.

It is an amenable number.

85555269 is a deficient number, since it is larger than the sum of its proper divisors (38766747).

85555269 is a wasteful number, since it uses less digits than its factorization.

85555269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57096 (or 57093 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 85555269 is about 9249.6091268767. The cubic root of 85555269 is about 440.6383108096.

It can be divided in two parts, 8555 and 5269, that added together give a cube (13824 = 243).

The spelling of 85555269 in words is "eighty-five million, five hundred fifty-five thousand, two hundred sixty-nine".

Divisors: 1 3 9 167 501 1503 56923 170769 512307 9506141 28518423 85555269