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85165250 = 253340661
BaseRepresentation
bin1010001001110…
…00010011000010
312221020211202112
411010320103002
5133300242000
612241215322
72052615122
oct504702302
9187224675
1085165250
1144089a05
1224631542
131484b451
14b44cc82
157724235
hex51384c2

85165250 has 16 divisors (see below), whose sum is σ = 159429816. Its totient is φ = 34066000.

The previous prime is 85165247. The next prime is 85165253. The reversal of 85165250 is 5256158.

It is an interprime number because it is at equal distance from previous prime (85165247) and next prime (85165253).

It can be written as a sum of positive squares in 4 ways, for example, as 38775529 + 46389721 = 6227^2 + 6811^2 .

It is not an unprimeable number, because it can be changed into a prime (85165253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170081 + ... + 170580.

Almost surely, 285165250 is an apocalyptic number.

85165250 is a deficient number, since it is larger than the sum of its proper divisors (74264566).

85165250 is a wasteful number, since it uses less digits than its factorization.

85165250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340678 (or 340668 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 85165250 is about 9228.5020452942. The cubic root of 85165250 is about 439.9677145732.

The spelling of 85165250 in words is "eighty-five million, one hundred sixty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 340661 681322 1703305 3406610 8516525 17033050 42582625 85165250