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45666831 = 372174611
BaseRepresentation
bin1010111000110…
…1001000001111
310011221010010010
42232031020033
543142314311
64310444303
71063106310
oct256151017
9104833103
1045666831
1123861191
1213363693
1395cbcc2
1460ca607
154020da6
hex2b8d20f

45666831 has 8 divisors (see below), whose sum is σ = 69587584. Its totient is φ = 26095320.

The previous prime is 45666827. The next prime is 45666869. The reversal of 45666831 is 13866654.

45666831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45666831 - 22 = 45666827 is a prime.

It is a super-2 number, since 2×456668312 = 4170918907165122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45666831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666821) 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 7 ways as a sum of consecutive naturals, for example, 1087285 + ... + 1087326.

It is an arithmetic number, because the mean of its divisors is an integer number (8698448).

Almost surely, 245666831 is an apocalyptic number.

45666831 is a deficient number, since it is larger than the sum of its proper divisors (23920753).

45666831 is a wasteful number, since it uses less digits than its factorization.

45666831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174621.

The product of its digits is 103680, while the sum is 39.

The square root of 45666831 is about 6757.7238031751. The cubic root of 45666831 is about 357.4376463863.

The spelling of 45666831 in words is "forty-five million, six hundred sixty-six thousand, eight hundred thirty-one".

Divisors: 1 3 7 21 2174611 6523833 15222277 45666831