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85552269 = 31119136447
BaseRepresentation
bin1010001100101…
…10110010001101
312221222111122120
411012112302031
5133400133034
612253403153
72056116345
oct506266215
9187874576
1085552269
1144323760
12247994b9
131495565a
14b50dd25
15779dc49
hex5196c8d

85552269 has 16 divisors (see below), whose sum is σ = 130990080. Its totient is φ = 49120560.

The previous prime is 85552237. The next prime is 85552297. The reversal of 85552269 is 96225558.

It is not a de Polignac number, because 85552269 - 25 = 85552237 is a prime.

It is a super-2 number, since 2×855522692 = 14638381462096722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85552269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85552169) 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 15 ways as a sum of consecutive naturals, for example, 67597 + ... + 68850.

It is an arithmetic number, because the mean of its divisors is an integer number (8186880).

Almost surely, 285552269 is an apocalyptic number.

It is an amenable number.

85552269 is a deficient number, since it is larger than the sum of its proper divisors (45437811).

85552269 is a wasteful number, since it uses less digits than its factorization.

85552269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136480.

The product of its digits is 216000, while the sum is 42.

The square root of 85552269 is about 9249.4469564402. The cubic root of 85552269 is about 440.6331604142.

Subtracting 85552269 from its reverse (96225558), we obtain a square (10673289 = 32672).

The spelling of 85552269 in words is "eighty-five million, five hundred fifty-two thousand, two hundred sixty-nine".

Divisors: 1 3 11 19 33 57 209 627 136447 409341 1500917 2592493 4502751 7777479 28517423 85552269