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85477412 = 2275728229
BaseRepresentation
bin1010001100001…
…00100000100100
312221211200222002
411012010200210
5133340234122
612252024432
72055355166
oct506044044
9187750862
1085477412
1144282499
1224762118
131492a567
14b4d0936
157786992
hex5184824

85477412 has 12 divisors (see below), whose sum is σ = 149788380. Its totient is φ = 42680736.

The previous prime is 85477387. The next prime is 85477423. The reversal of 85477412 is 21477458.

It can be written as a sum of positive squares in 2 ways, for example, as 21381376 + 64096036 = 4624^2 + 8006^2 .

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, 11087 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (12482365).

Almost surely, 285477412 is an apocalyptic number.

It is an amenable number.

85477412 is a deficient number, since it is larger than the sum of its proper divisors (64310968).

85477412 is a wasteful number, since it uses less digits than its factorization.

85477412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28990 (or 28988 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 85477412 is about 9245.3995046185. The cubic root of 85477412 is about 440.5046070286.

The spelling of 85477412 in words is "eighty-five million, four hundred seventy-seven thousand, four hundred twelve".

Divisors: 1 2 4 757 1514 3028 28229 56458 112916 21369353 42738706 85477412