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89900229 = 319432853
BaseRepresentation
bin1010101101111…
…00010011000101
320021011101221010
411112330103011
5141003301404
612530512433
72141065536
oct526742305
9207141833
1089900229
1146823411
1226135719
1315818703
14bd2268d
157d5c189
hex55bc4c5

89900229 has 24 divisors (see below), whose sum is σ = 129329760. Its totient is φ = 55393632.

The previous prime is 89900227. The next prime is 89900231. The reversal of 89900229 is 92200998.

It is an interprime number because it is at equal distance from previous prime (89900227) and next prime (89900231).

It is not a de Polignac number, because 89900229 - 21 = 89900227 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89900227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104967 + ... + 105819.

It is an arithmetic number, because the mean of its divisors is an integer number (5388740).

Almost surely, 289900229 is an apocalyptic number.

It is an amenable number.

89900229 is a deficient number, since it is larger than the sum of its proper divisors (39429531).

89900229 is a wasteful number, since it uses less digits than its factorization.

89900229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 89900229 is about 9481.5731289697. The cubic root of 89900229 is about 447.9748155618.

The spelling of 89900229 in words is "eighty-nine million, nine hundred thousand, two hundred twenty-nine".

Divisors: 1 3 19 43 57 129 817 853 1849 2451 2559 5547 16207 35131 36679 48621 105393 110037 696901 1577197 2090703 4731591 29966743 89900229