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85617852 = 22337192833
BaseRepresentation
bin1010001101001…
…10110010111100
312222002211121120
411012212302330
5133404232402
612255030540
72056511505
oct506466274
9188084546
1085617852
1144368a61
122480b450
1314979468
14b529bac
1577b33bc
hex51a6cbc

85617852 has 24 divisors (see below), whose sum is σ = 205175376. Its totient is φ = 27767808.

The previous prime is 85617841. The next prime is 85617853. The reversal of 85617852 is 25871658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85617853) 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, 95973 + ... + 96860.

It is an arithmetic number, because the mean of its divisors is an integer number (8548974).

Almost surely, 285617852 is an apocalyptic number.

It is an amenable number.

85617852 is an abundant number, since it is smaller than the sum of its proper divisors (119557524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85617852 is a wasteful number, since it uses less digits than its factorization.

85617852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192877 (or 192875 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 85617852 is about 9252.9915162611. The cubic root of 85617852 is about 440.7457257648.

The spelling of 85617852 in words is "eighty-five million, six hundred seventeen thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 192833 385666 578499 771332 1156998 2313996 7134821 14269642 21404463 28539284 42808926 85617852