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45008457 = 3138912967
BaseRepresentation
bin1010101110110…
…0011001001001
310010200122222220
42223230121021
543010232312
64244404253
71054364664
oct253543111
9103618886
1045008457
112345157a
12130a6689
13942b430
145d986db
153e40c8c
hex2aec649

45008457 has 16 divisors (see below), whose sum is σ = 65358720. Its totient is φ = 27384192.

The previous prime is 45008449. The next prime is 45008459. The reversal of 45008457 is 75480054.

45008457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45008457 - 23 = 45008449 is a prime.

It is a super-2 number, since 2×450084572 = 4051522403041698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45008459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3013 + ... + 9954.

It is an arithmetic number, because the mean of its divisors is an integer number (4084920).

Almost surely, 245008457 is an apocalyptic number.

It is an amenable number.

45008457 is a deficient number, since it is larger than the sum of its proper divisors (20350263).

45008457 is a wasteful number, since it uses less digits than its factorization.

45008457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 45008457 is about 6708.8342504492. The cubic root of 45008457 is about 355.7116110138.

The spelling of 45008457 in words is "forty-five million, eight thousand, four hundred fifty-seven".

Divisors: 1 3 13 39 89 267 1157 3471 12967 38901 168571 505713 1154063 3462189 15002819 45008457