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85755351 = 31183131239
BaseRepresentation
bin1010001110010…
…00010111010111
312222100211020010
411013020113113
5133423132401
612302011303
72060623413
oct507102727
9188324203
1085755351
11444522a0
1224876b33
13149c6c16
14b563d43
1577dded6
hex51c85d7

85755351 has 32 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 50741600.

The previous prime is 85755347. The next prime is 85755359. The reversal of 85755351 is 15355758.

It is a cyclic number.

It is not a de Polignac number, because 85755351 - 22 = 85755347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85755359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358690 + ... + 358928.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 285755351 is an apocalyptic number.

85755351 is a deficient number, since it is larger than the sum of its proper divisors (41978409).

85755351 is a wasteful number, since it uses less digits than its factorization.

85755351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

The product of its digits is 105000, while the sum is 39.

The square root of 85755351 is about 9260.4185110609. The cubic root of 85755351 is about 440.9815398405.

The spelling of 85755351 in words is "eighty-five million, seven hundred fifty-five thousand, three hundred fifty-one".

Divisors: 1 3 11 33 83 131 239 249 393 717 913 1441 2629 2739 4323 7887 10873 19837 31309 32619 59511 93927 119603 218207 344399 358809 654621 1033197 2598647 7795941 28585117 85755351