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89288642 = 2222120101
BaseRepresentation
bin1010101001001…
…10111111000010
320020000022222202
411110212333002
5140324214032
612505433202
72132640512
oct524467702
9206008882
1089288642
1146445973
1225a9b802
1315663221
14bc03842
157c8ad62
hex5526fc2

89288642 has 8 divisors (see below), whose sum is σ = 133999932. Its totient is φ = 44622000.

The previous prime is 89288621. The next prime is 89288669. The reversal of 89288642 is 24688298.

It can be written as a sum of positive squares in 2 ways, for example, as 89283601 + 5041 = 9449^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5609 + ... + 14492.

Almost surely, 289288642 is an apocalyptic number.

89288642 is a deficient number, since it is larger than the sum of its proper divisors (44711290).

89288642 is a wasteful number, since it uses less digits than its factorization.

89288642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22324.

The product of its digits is 442368, while the sum is 47.

The square root of 89288642 is about 9449.2667440389. The cubic root of 89288642 is about 446.9566527373.

The spelling of 89288642 in words is "eighty-nine million, two hundred eighty-eight thousand, six hundred forty-two".

Divisors: 1 2 2221 4442 20101 40202 44644321 89288642