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85153275 = 3552107131
BaseRepresentation
bin1010001001101…
…01010111111011
312221020020100000
411010311113323
5133244401100
612241044043
72052535164
oct504652773
9187206300
1085153275
1144080a09
1224626623
1314845b6c
14b44876b
157720900
hex51355fb

85153275 has 72 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 44647200.

The previous prime is 85153273. The next prime is 85153361. The reversal of 85153275 is 57235158.

85153275 is a `hidden beast` number, since 8 + 51 + 532 + 75 = 666.

It is not a de Polignac number, because 85153275 - 21 = 85153273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85153273) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 649960 + ... + 650090.

It is an arithmetic number, because the mean of its divisors is an integer number (2234232).

Almost surely, 285153275 is an apocalyptic number.

85153275 is a deficient number, since it is larger than the sum of its proper divisors (75711429).

85153275 is a wasteful number, since it uses less digits than its factorization.

85153275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 246 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 85153275 is about 9227.8532172982. The cubic root of 85153275 is about 439.9470924676.

The spelling of 85153275 in words is "eighty-five million, one hundred fifty-three thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 107 131 135 225 243 321 393 405 535 655 675 963 1179 1215 1605 1965 2025 2675 2889 3275 3537 4815 5895 6075 8025 8667 9825 10611 14017 14445 17685 24075 26001 29475 31833 42051 43335 53055 70085 72225 88425 126153 130005 159165 210255 216675 265275 350425 378459 630765 650025 795825 1051275 1135377 1892295 3153825 3406131 5676885 9461475 17030655 28384425 85153275