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45711657 = 32171092741
BaseRepresentation
bin1010111001100…
…0000100101001
310012000101121100
42232120010221
543200233112
64311432013
71063354065
oct256300451
9105011540
1045711657
1123891932
1213385609
139616524
1460dcaa5
15402e2dc
hex2b98129

45711657 has 24 divisors (see below), whose sum is σ = 70579080. Its totient is φ = 28408320.

The previous prime is 45711647. The next prime is 45711689. The reversal of 45711657 is 75611754.

It can be written as a sum of positive squares in 4 ways, for example, as 11943936 + 33767721 = 3456^2 + 5811^2 .

It is not a de Polignac number, because 45711657 - 26 = 45711593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45711647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15307 + ... + 18047.

It is an arithmetic number, because the mean of its divisors is an integer number (2940795).

Almost surely, 245711657 is an apocalyptic number.

It is an amenable number.

45711657 is a deficient number, since it is larger than the sum of its proper divisors (24867423).

45711657 is a wasteful number, since it uses less digits than its factorization.

45711657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2870 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 45711657 is about 6761.0396389904. The cubic root of 45711657 is about 357.5545602744.

The spelling of 45711657 in words is "forty-five million, seven hundred eleven thousand, six hundred fifty-seven".

Divisors: 1 3 9 17 51 109 153 327 981 1853 2741 5559 8223 16677 24669 46597 139791 298769 419373 896307 2688921 5079073 15237219 45711657