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45666131 = 7173112379
BaseRepresentation
bin1010111000110…
…0111101010011
310011221002011012
42232030331103
543142304011
64310441135
71063104260
oct256147523
9104832135
1045666131
1123860705
12133631ab
1395cb8a4
1460ca267
154020a8b
hex2b8cf53

45666131 has 16 divisors (see below), whose sum is σ = 57047040. Its totient is φ = 35648640.

The previous prime is 45666107. The next prime is 45666133. The reversal of 45666131 is 13166654.

It is a cyclic number.

It is not a de Polignac number, because 45666131 - 26 = 45666067 is a prime.

It is a super-2 number, since 2×456661312 = 4170791041018322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45666133) 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, 2501 + ... + 9878.

It is an arithmetic number, because the mean of its divisors is an integer number (3565440).

Almost surely, 245666131 is an apocalyptic number.

45666131 is a deficient number, since it is larger than the sum of its proper divisors (11380909).

45666131 is a wasteful number, since it uses less digits than its factorization.

45666131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12434.

The product of its digits is 12960, while the sum is 32.

The square root of 45666131 is about 6757.6720103894. The cubic root of 45666131 is about 357.4358200598.

The spelling of 45666131 in words is "forty-five million, six hundred sixty-six thousand, one hundred thirty-one".

Divisors: 1 7 17 31 119 217 527 3689 12379 86653 210443 383749 1473101 2686243 6523733 45666131