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45668517 = 315222839
BaseRepresentation
bin1010111000110…
…1100010100101
310011221012102120
42232031202211
543142343032
64310500153
71063114236
oct256154245
9104835376
1045668517
1123862484
1213364659
1395cc9bb
1460cb08d
15402162c
hex2b8d8a5

45668517 has 4 divisors (see below), whose sum is σ = 60891360. Its totient is φ = 30445676.

The previous prime is 45668507. The next prime is 45668521. The reversal of 45668517 is 71586654.

45668517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45668517 - 26 = 45668453 is a prime.

It is a super-2 number, since 2×456685172 = 4171226889958578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45668507) 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 3 ways as a sum of consecutive naturals, for example, 7611417 + ... + 7611422.

It is an arithmetic number, because the mean of its divisors is an integer number (15222840).

Almost surely, 245668517 is an apocalyptic number.

It is an amenable number.

45668517 is a deficient number, since it is larger than the sum of its proper divisors (15222843).

45668517 is a wasteful number, since it uses less digits than its factorization.

45668517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222842.

The product of its digits is 201600, while the sum is 42.

The square root of 45668517 is about 6757.8485481698. The cubic root of 45668517 is about 357.4420451476.

The spelling of 45668517 in words is "forty-five million, six hundred sixty-eight thousand, five hundred seventeen".

Divisors: 1 3 15222839 45668517