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85285616 = 2413521787
BaseRepresentation
bin1010001010101…
…01101011110000
312221110221212112
411011111223300
5133313114431
612243544452
72053626053
oct505255360
9187427775
1085285616
1144161389
122468b128
1314891180
14b480a9a
157749c2b
hex5155af0

85285616 has 40 divisors (see below), whose sum is σ = 178519824. Its totient is φ = 39237120.

The previous prime is 85285609. The next prime is 85285631. The reversal of 85285616 is 61658258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107975 + ... + 108761.

Almost surely, 285285616 is an apocalyptic number.

It is an amenable number.

85285616 is an abundant number, since it is smaller than the sum of its proper divisors (93234208).

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

85285616 is a wasteful number, since it uses less digits than its factorization.

85285616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 85285616 is about 9235.0211694397. The cubic root of 85285616 is about 440.1748891543.

It can be divided in two parts, 852 and 85616, that added together give a palindrome (86468).

The spelling of 85285616 in words is "eighty-five million, two hundred eighty-five thousand, six hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 521 787 1042 1574 2084 3148 4168 6296 6773 8336 10231 12592 13546 20462 27092 40924 54184 81848 108368 163696 410027 820054 1640108 3280216 5330351 6560432 10660702 21321404 42642808 85285616