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85044618 = 23222321187
BaseRepresentation
bin1010001000110…
…10110110001010
312221000201021200
411010122312022
5133232411433
612234445030
72051603331
oct504326612
9187021250
1085044618
114400730a
1224593776
1314808579
14b41ad18
1576ed613
hex511ad8a

85044618 has 24 divisors (see below), whose sum is σ = 185098368. Its totient is φ = 28219752.

The previous prime is 85044599. The next prime is 85044629. The reversal of 85044618 is 81644058.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6580 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (7712432).

Almost surely, 285044618 is an apocalyptic number.

85044618 is an abundant number, since it is smaller than the sum of its proper divisors (100053750).

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

85044618 is a wasteful number, since it uses less digits than its factorization.

85044618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21418 (or 21415 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 85044618 is about 9221.9638906255. The cubic root of 85044618 is about 439.7598862082.

The spelling of 85044618 in words is "eighty-five million, forty-four thousand, six hundred eighteen".

Divisors: 1 2 3 6 9 18 223 446 669 1338 2007 4014 21187 42374 63561 127122 190683 381366 4724701 9449402 14174103 28348206 42522309 85044618