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45075491 = 472813413
BaseRepresentation
bin1010101111110…
…0110000100011
310010211001221122
42223330300203
543014403431
64250042455
71055064266
oct253746043
9103731848
1045075491
112349797a
121311942b
139452ab6
145db4cdd
153e55a7b
hex2afcc23

45075491 has 8 divisors (see below), whose sum is σ = 46211904. Its totient is φ = 43946560.

The previous prime is 45075479. The next prime is 45075539. The reversal of 45075491 is 19457054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45075491 - 222 = 40881187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45075421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11501 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (5776488).

Almost surely, 245075491 is an apocalyptic number.

45075491 is a deficient number, since it is larger than the sum of its proper divisors (1136413).

45075491 is a wasteful number, since it uses less digits than its factorization.

45075491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 45075491 is about 6713.8283415649. The cubic root of 45075491 is about 355.8881181686. Note that the first 3 decimals are identical.

The spelling of 45075491 in words is "forty-five million, seventy-five thousand, four hundred ninety-one".

Divisors: 1 47 281 3413 13207 160411 959053 45075491