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85544986 = 2173177937
BaseRepresentation
bin1010001100101…
…01000000011010
312221222010122211
411012111000122
5133344414421
612253305334
72056056202
oct506250032
9187863584
1085544986
114431923a
122479524a
1314952247
14b50b402
15779b9e1
hex519501a

85544986 has 16 divisors (see below), whose sum is σ = 136311336. Its totient is φ = 40124416.

The previous prime is 85544947. The next prime is 85545007. The reversal of 85544986 is 68944558.

It can be written as a sum of positive squares in 4 ways, for example, as 83083225 + 2461761 = 9115^2 + 1569^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6810 + ... + 14746.

Almost surely, 285544986 is an apocalyptic number.

85544986 is a deficient number, since it is larger than the sum of its proper divisors (50766350).

85544986 is a wasteful number, since it uses less digits than its factorization.

85544986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273.

The product of its digits is 1382400, while the sum is 49.

The square root of 85544986 is about 9249.0532488466. The cubic root of 85544986 is about 440.6206564701.

The spelling of 85544986 in words is "eighty-five million, five hundred forty-four thousand, nine hundred eighty-six".

Divisors: 1 2 17 34 317 634 5389 7937 10778 15874 134929 269858 2516029 5032058 42772493 85544986