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85075499 = 479718661
BaseRepresentation
bin1010001001000…
…10011000101011
312221002021122102
411010202120223
5133234403444
612235244015
72052062345
oct504423053
9187067572
1085075499
1144028533
12245a960b
1314819642
14b428295
15770784e
hex512262b

85075499 has 8 divisors (see below), whose sum is σ = 87786048. Its totient is φ = 82402560.

The previous prime is 85075489. The next prime is 85075517. The reversal of 85075499 is 99457058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85075499 - 212 = 85071403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85075489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4772 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (10973256).

Almost surely, 285075499 is an apocalyptic number.

85075499 is a deficient number, since it is larger than the sum of its proper divisors (2710549).

85075499 is a wasteful number, since it uses less digits than its factorization.

85075499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 85075499 is about 9223.6380566455. The cubic root of 85075499 is about 439.8131076112.

The spelling of 85075499 in words is "eighty-five million, seventy-five thousand, four hundred ninety-nine".

Divisors: 1 47 97 4559 18661 877067 1810117 85075499