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85124244 = 22318113917
BaseRepresentation
bin1010001001011…
…10010010010100
312221011202111210
411010232102110
5133242433434
612240301420
72052354432
oct504562224
9187152453
1085124244
1144061117
1224611870
131483589a
14b43bd52
157716ee9
hex512e494

85124244 has 24 divisors (see below), whose sum is σ = 198783648. Its totient is φ = 28351840.

The previous prime is 85124239. The next prime is 85124257. The reversal of 85124244 is 44242158.

It is a super-2 number, since 2×851242442 = 14492273833143072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19774 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (8282652).

Almost surely, 285124244 is an apocalyptic number.

It is an amenable number.

85124244 is an abundant number, since it is smaller than the sum of its proper divisors (113659404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85124244 is a wasteful number, since it uses less digits than its factorization.

85124244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735 (or 5733 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 85124244 is about 9226.2800737892. The cubic root of 85124244 is about 439.8970902578.

The spelling of 85124244 in words is "eighty-five million, one hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1811 3622 3917 5433 7244 7834 10866 11751 15668 21732 23502 47004 7093687 14187374 21281061 28374748 42562122 85124244