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89920846 = 2238212381
BaseRepresentation
bin1010101110000…
…01010101001110
320021012110012201
411113001111032
5141004431341
612531152114
72141212621
oct527012516
9207173181
1089920846
1146837954
122614563a
1315824c02
14bd29db8
157d63331
hex55c154e

89920846 has 16 divisors (see below), whose sum is σ = 140976288. Its totient is φ = 42935200.

The previous prime is 89920813. The next prime is 89920849. The reversal of 89920846 is 64802998.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 89920796 and 89920805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89920849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36576 + ... + 38956.

It is an arithmetic number, because the mean of its divisors is an integer number (8811018).

Almost surely, 289920846 is an apocalyptic number.

89920846 is a deficient number, since it is larger than the sum of its proper divisors (51055442).

89920846 is a wasteful number, since it uses less digits than its factorization.

89920846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 89920846 is about 9482.6602807440. The cubic root of 89920846 is about 448.0090579323.

The spelling of 89920846 in words is "eighty-nine million, nine hundred twenty thousand, eight hundred forty-six".

Divisors: 1 2 23 46 821 1642 2381 4762 18883 37766 54763 109526 1954801 3909602 44960423 89920846