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45757131 = 372973209
BaseRepresentation
bin1010111010001…
…1001011001011
310012002200222120
42232203023023
543203212011
64312422323
71063633500
oct256431313
9105080876
1045757131
1123913012
12133a79a3
139631134
1461114a7
15403ca06
hex2ba32cb

45757131 has 24 divisors (see below), whose sum is σ = 71724240. Its totient is φ = 25869312.

The previous prime is 45757091. The next prime is 45757133. The reversal of 45757131 is 13175754.

It is not a de Polignac number, because 45757131 - 26 = 45757067 is a prime.

It is a super-2 number, since 2×457571312 = 4187430074702322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45757092 and 45757101.

It is not an unprimeable number, because it can be changed into a prime (45757133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12655 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (2988510).

Almost surely, 245757131 is an apocalyptic number.

45757131 is a deficient number, since it is larger than the sum of its proper divisors (25967109).

45757131 is a wasteful number, since it uses less digits than its factorization.

45757131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3316 counting only the distinct ones).

The product of its digits is 14700, while the sum is 33.

The square root of 45757131 is about 6764.4017473831. The cubic root of 45757131 is about 357.6730861857.

The spelling of 45757131 in words is "forty-five million, seven hundred fifty-seven thousand, one hundred thirty-one".

Divisors: 1 3 7 21 49 97 147 291 679 2037 3209 4753 9627 14259 22463 67389 157241 311273 471723 933819 2178911 6536733 15252377 45757131