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85270965 = 3513437287
BaseRepresentation
bin1010001010100…
…10000110110101
312221110012202220
411011102012311
5133312132330
612243352553
72053535253
oct505220665
9187405686
1085270965
114415137a
1224682759
13148875c0
14b4795d3
157745710
hex51521b5

85270965 has 16 divisors (see below), whose sum is σ = 146928768. Its totient is φ = 41979456.

The previous prime is 85270957. The next prime is 85270979. The reversal of 85270965 is 56907258.

It is not a de Polignac number, because 85270965 - 23 = 85270957 is a prime.

It is a super-2 number, since 2×852709652 = 14542274944062450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218449 + ... + 218838.

It is an arithmetic number, because the mean of its divisors is an integer number (9183048).

Almost surely, 285270965 is an apocalyptic number.

It is an amenable number.

85270965 is a deficient number, since it is larger than the sum of its proper divisors (61657803).

85270965 is a wasteful number, since it uses less digits than its factorization.

85270965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437308.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 85270965 is about 9234.2279049198. The cubic root of 85270965 is about 440.1496822010.

It can be divided in two parts, 852 and 70965, that added together give a palindrome (71817).

The spelling of 85270965 in words is "eighty-five million, two hundred seventy thousand, nine hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 437287 1311861 2186435 5684731 6559305 17054193 28423655 85270965