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89227044 = 22322478529
BaseRepresentation
bin1010101000101…
…11111100100100
320012220012111100
411110113330210
5140320231134
612504240100
72132263104
oct524277444
9205805440
1089227044
1146403665
1225a70030
131564118a
14bbc9204
157c77999
hex5517f24

89227044 has 18 divisors (see below), whose sum is σ = 225546230. Its totient is φ = 29742336.

The previous prime is 89227043. The next prime is 89227063. The reversal of 89227044 is 44072298.

It can be written as a sum of positive squares in only one way, i.e., 85377600 + 3849444 = 9240^2 + 1962^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×892270442 = 15922930761955872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2478529 = 89227044 / (8 + 9 + 2 + 2 + 7 + 0 + 4 + 4).

It is not an unprimeable number, because it can be changed into a prime (89227043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1239229 + ... + 1239300.

Almost surely, 289227044 is an apocalyptic number.

It is an amenable number.

89227044 is an abundant number, since it is smaller than the sum of its proper divisors (136319186).

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

89227044 is a wasteful number, since it uses less digits than its factorization.

89227044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478539 (or 2478534 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 89227044 is about 9446.0067753522. The cubic root of 89227044 is about 446.8538476890.

The spelling of 89227044 in words is "eighty-nine million, two hundred twenty-seven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 2478529 4957058 7435587 9914116 14871174 22306761 29742348 44613522 89227044