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85161735 = 325831512
BaseRepresentation
bin1010001001101…
…11011100000111
312221020122221100
411010313130013
5133300133420
612241151143
72052601641
oct504673407
9187218840
1085161735
11440872aa
122462b4b3
1314849979
14b44b891
157723190
hex5137707

85161735 has 36 divisors (see below), whose sum is σ = 150388056. Its totient is φ = 44575200.

The previous prime is 85161707. The next prime is 85161751. The reversal of 85161735 is 53716158.

85161735 is a `hidden beast` number, since 8 + 5 + 1 + 617 + 35 = 666.

It is not a de Polignac number, because 85161735 - 27 = 85161607 is a prime.

It is a super-2 number, since 2×851617352 = 14505042216420450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85161735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 563910 + ... + 564060.

It is an arithmetic number, because the mean of its divisors is an integer number (4177446).

Almost surely, 285161735 is an apocalyptic number.

85161735 is a deficient number, since it is larger than the sum of its proper divisors (65226321).

85161735 is a wasteful number, since it uses less digits than its factorization.

85161735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 242 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 85161735 is about 9228.3116007209. The cubic root of 85161735 is about 439.9616616045.

The spelling of 85161735 in words is "eighty-five million, one hundred sixty-one thousand, seven hundred thirty-five".

Divisors: 1 3 5 9 15 45 83 151 249 415 453 747 755 1245 1359 2265 3735 6795 12533 22801 37599 62665 68403 112797 114005 187995 205209 342015 563985 1026045 1892483 5677449 9462415 17032347 28387245 85161735