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85305616 = 2411484691
BaseRepresentation
bin1010001010110…
…10100100010000
312221111222022021
411011122210100
5133314234431
612244221224
72054041264
oct505324420
9187458267
1085305616
1144175410
122469a814
131489a2c6
14b4880a4
157750b11
hex515a910

85305616 has 20 divisors (see below), whose sum is σ = 180305424. Its totient is φ = 38775200.

The previous prime is 85305607. The next prime is 85305637. The reversal of 85305616 is 61650358.

It is a super-2 number, since 2×853056162 = 14554096242278912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242170 + ... + 242521.

Almost surely, 285305616 is an apocalyptic number.

It is an amenable number.

85305616 is an abundant number, since it is smaller than the sum of its proper divisors (94999808).

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

85305616 is a wasteful number, since it uses less digits than its factorization.

85305616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484710 (or 484704 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 85305616 is about 9236.1039405152. The cubic root of 85305616 is about 440.2092943688.

The spelling of 85305616 in words is "eighty-five million, three hundred five thousand, six hundred sixteen".

Divisors: 1 2 4 8 11 16 22 44 88 176 484691 969382 1938764 3877528 5331601 7755056 10663202 21326404 42652808 85305616