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85366544 = 2419280811
BaseRepresentation
bin1010001011010…
…01011100010000
312221122001212212
411011221130100
5133323212134
612245411252
72054414024
oct505513420
9187561785
1085366544
114420716a
1224709b28
13148bbc63
14b4a2384
157763bce
hex5169710

85366544 has 20 divisors (see below), whose sum is σ = 174103440. Its totient is φ = 40436640.

The previous prime is 85366507. The next prime is 85366549. The reversal of 85366544 is 44566358.

It is not an unprimeable number, because it can be changed into a prime (85366549) 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 3 ways as a sum of consecutive naturals, for example, 140102 + ... + 140709.

It is an arithmetic number, because the mean of its divisors is an integer number (8705172).

Almost surely, 285366544 is an apocalyptic number.

It is an amenable number.

85366544 is an abundant number, since it is smaller than the sum of its proper divisors (88736896).

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

85366544 is a wasteful number, since it uses less digits than its factorization.

85366544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280838 (or 280832 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 85366544 is about 9239.4017122322. The cubic root of 85366544 is about 440.3140732809.

The spelling of 85366544 in words is "eighty-five million, three hundred sixty-six thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 280811 561622 1123244 2246488 4492976 5335409 10670818 21341636 42683272 85366544