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45660261 = 315220087
BaseRepresentation
bin1010111000101…
…1100001100101
310011220210002210
42232023201211
543142112021
64310354033
71063051203
oct256134145
9104823083
1045660261
1123857259
121335b919
1395c900a
1460c8073
15401de76
hex2b8b865

45660261 has 4 divisors (see below), whose sum is σ = 60880352. Its totient is φ = 30440172.

The previous prime is 45660253. The next prime is 45660271. The reversal of 45660261 is 16206654.

45660261 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 not a de Polignac number, because 45660261 - 23 = 45660253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45660271) 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, 7610041 + ... + 7610046.

It is an arithmetic number, because the mean of its divisors is an integer number (15220088).

Almost surely, 245660261 is an apocalyptic number.

It is an amenable number.

45660261 is a deficient number, since it is larger than the sum of its proper divisors (15220091).

45660261 is a wasteful number, since it uses less digits than its factorization.

45660261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15220090.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 45660261 is about 6757.2376752635. The cubic root of 45660261 is about 357.4205042731.

The spelling of 45660261 in words is "forty-five million, six hundred sixty thousand, two hundred sixty-one".

Divisors: 1 3 15220087 45660261