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85118450 = 2521702369
BaseRepresentation
bin1010001001011…
…00110111110010
312221011110120012
411010230313302
5133242242300
612240214522
72052331514
oct504546762
9187143505
1085118450
114405782a
122460a442
1314833061
14b439bb4
157715435
hex512cdf2

85118450 has 12 divisors (see below), whose sum is σ = 158320410. Its totient is φ = 34047360.

The previous prime is 85118447. The next prime is 85118459. The reversal of 85118450 is 5481158.

It can be written as a sum of positive squares in 3 ways, for example, as 53567761 + 31550689 = 7319^2 + 5617^2 .

It is not an unprimeable number, because it can be changed into a prime (85118459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851135 + ... + 851234.

Almost surely, 285118450 is an apocalyptic number.

85118450 is a deficient number, since it is larger than the sum of its proper divisors (73201960).

85118450 is a wasteful number, since it uses less digits than its factorization.

85118450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702381 (or 1702376 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 85118450 is about 9225.9660740759. The cubic root of 85118450 is about 439.8871094680.

It can be divided in two parts, 8511 and 8450, that added together give a palindrome (16961).

The spelling of 85118450 in words is "eighty-five million, one hundred eighteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1702369 3404738 8511845 17023690 42559225 85118450