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45508379 = 761197541
BaseRepresentation
bin1010110110011…
…0011100011011
310011122001202112
42231212130123
543122232004
64303222535
71061546330
oct255463433
9104561675
1045508379
1123763134
12132a7a4b
139574b47
146088987
153edde6e
hex2b6671b

45508379 has 16 divisors (see below), whose sum is σ = 53228736. Its totient is φ = 38102400.

The previous prime is 45508369. The next prime is 45508391. The reversal of 45508379 is 97380554.

It is not a de Polignac number, because 45508379 - 28 = 45508123 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45508339) 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, 83849 + ... + 84389.

It is an arithmetic number, because the mean of its divisors is an integer number (3326796).

Almost surely, 245508379 is an apocalyptic number.

45508379 is a deficient number, since it is larger than the sum of its proper divisors (7720357).

45508379 is a wasteful number, since it uses less digits than its factorization.

45508379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 45508379 is about 6745.9898458269. The cubic root of 45508379 is about 357.0237621722.

The spelling of 45508379 in words is "forty-five million, five hundred eight thousand, three hundred seventy-nine".

Divisors: 1 7 61 197 427 541 1379 3787 12017 33001 84119 106577 231007 746039 6501197 45508379