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89286642 = 23222921661
BaseRepresentation
bin1010101001001…
…10011111110010
320020000020020200
411110212133302
5140324133032
612505420030
72132631624
oct524463762
9206006220
1089286642
1146444415
1225a9a616
1315662343
14bc02c14
157c8a47c
hex55267f2

89286642 has 24 divisors (see below), whose sum is σ = 194308140. Its totient is φ = 29630880.

The previous prime is 89286623. The next prime is 89286653. The reversal of 89286642 is 24668298.

It can be written as a sum of positive squares in 2 ways, for example, as 86881041 + 2405601 = 9321^2 + 1551^2 .

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, 6709 + ... + 14952.

Almost surely, 289286642 is an apocalyptic number.

89286642 is an abundant number, since it is smaller than the sum of its proper divisors (105021498).

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

89286642 is a wasteful number, since it uses less digits than its factorization.

89286642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21898 (or 21895 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 89286642 is about 9449.1609151289. The cubic root of 89286642 is about 446.9533155455.

The spelling of 89286642 in words is "eighty-nine million, two hundred eighty-six thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 229 458 687 1374 2061 4122 21661 43322 64983 129966 194949 389898 4960369 9920738 14881107 29762214 44643321 89286642