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45056449 = 142331663
BaseRepresentation
bin1010101111100…
…0000111000001
310010210002211101
42223320013001
543013301244
64245414401
71054654624
oct253700701
9103702741
1045056449
1123484639
121310a401
139447229
145dabdbb
153e500d4
hex2af81c1

45056449 has 4 divisors (see below), whose sum is σ = 45089536. Its totient is φ = 45023364.

The previous prime is 45056441. The next prime is 45056497. The reversal of 45056449 is 94465054.

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 45056449 - 23 = 45056441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45056441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14409 + ... + 17254.

It is an arithmetic number, because the mean of its divisors is an integer number (11272384).

Almost surely, 245056449 is an apocalyptic number.

It is an amenable number.

45056449 is a deficient number, since it is larger than the sum of its proper divisors (33087).

45056449 is a wasteful number, since it uses less digits than its factorization.

45056449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33086.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 45056449 is about 6712.4100738855. The cubic root of 45056449 is about 355.8379965031.

The spelling of 45056449 in words is "forty-five million, fifty-six thousand, four hundred forty-nine".

Divisors: 1 1423 31663 45056449