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85089212 = 22131636331
BaseRepresentation
bin1010001001001…
…01101110111100
312221002222110022
411010211232330
5133240323322
612235431312
72052150335
oct504455674
9187088408
1085089212
114403786a
12245b5538
1314822960
14b42d28c
15770b942
hex5125bbc

85089212 has 12 divisors (see below), whose sum is σ = 160360536. Its totient is φ = 39271920.

The previous prime is 85089209. The next prime is 85089247. The reversal of 85089212 is 21298058.

It is a congruent number.

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, 818114 + ... + 818217.

It is an arithmetic number, because the mean of its divisors is an integer number (13363378).

Almost surely, 285089212 is an apocalyptic number.

It is an amenable number.

85089212 is a deficient number, since it is larger than the sum of its proper divisors (75271324).

85089212 is a wasteful number, since it uses less digits than its factorization.

85089212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636348 (or 1636346 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 85089212 is about 9224.3813884726. The cubic root of 85089212 is about 439.8367369490.

The spelling of 85089212 in words is "eighty-five million, eighty-nine thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 1636331 3272662 6545324 21272303 42544606 85089212