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85108353 = 31119149911
BaseRepresentation
bin1010001001010…
…10011010000001
312221010221201020
411010222122001
5133241431403
612240100053
72052260211
oct504523201
9187127636
1085108353
1144050190
1224604629
131482b595
14b436241
157712453
hex512a681

85108353 has 32 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 48484800.

The previous prime is 85108351. The next prime is 85108367. The reversal of 85108353 is 35380158.

It is not a de Polignac number, because 85108353 - 21 = 85108351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (85108351) 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, 92968 + ... + 93878.

It is an arithmetic number, because the mean of its divisors is an integer number (4104000).

Almost surely, 285108353 is an apocalyptic number.

It is an amenable number.

85108353 is a deficient number, since it is larger than the sum of its proper divisors (46219647).

85108353 is a wasteful number, since it uses less digits than its factorization.

85108353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 85108353 is about 9225.4188522798. The cubic root of 85108353 is about 439.8697152141.

The spelling of 85108353 in words is "eighty-five million, one hundred eight thousand, three hundred fifty-three".

Divisors: 1 3 11 19 33 57 149 209 447 627 911 1639 2733 2831 4917 8493 10021 17309 30063 31141 51927 93423 135739 190399 407217 571197 1493129 2579041 4479387 7737123 28369451 85108353