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45089907 = 3191077393
BaseRepresentation
bin1010110000000…
…0010001110011
310010211210201120
42230000101303
543020334112
64250233323
71055154312
oct254002163
9103753646
1045089907
11234a7795
1213125843
139459525
145dba279
153e59e8c
hex2b00473

45089907 has 16 divisors (see below), whose sum is σ = 63884160. Its totient is φ = 28207872.

The previous prime is 45089893. The next prime is 45089911. The reversal of 45089907 is 70998054.

It is not a de Polignac number, because 45089907 - 215 = 45057139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45089977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403 + ... + 9795.

It is an arithmetic number, because the mean of its divisors is an integer number (3992760).

Almost surely, 245089907 is an apocalyptic number.

45089907 is a deficient number, since it is larger than the sum of its proper divisors (18794253).

45089907 is a wasteful number, since it uses less digits than its factorization.

45089907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 45089907 is about 6714.9018607869. The cubic root of 45089907 is about 355.9260540561.

The spelling of 45089907 in words is "forty-five million, eighty-nine thousand, nine hundred seven".

Divisors: 1 3 19 57 107 321 2033 6099 7393 22179 140467 421401 791051 2373153 15029969 45089907