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45393887 = 711589531
BaseRepresentation
bin1010110100101…
…0011111011111
310011102020201002
42231022133133
543110101022
64300540515
71060561460
oct255123737
9104366632
1045393887
1123695110
121325173b
1395349b6
146058d67
153eba092
hex2b4a7df

45393887 has 8 divisors (see below), whose sum is σ = 56595072. Its totient is φ = 35371800.

The previous prime is 45393877. The next prime is 45393913. The reversal of 45393887 is 78839354.

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 45393887 - 28 = 45393631 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 (45393877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294689 + ... + 294842.

It is an arithmetic number, because the mean of its divisors is an integer number (7074384).

Almost surely, 245393887 is an apocalyptic number.

45393887 is a deficient number, since it is larger than the sum of its proper divisors (11201185).

45393887 is a wasteful number, since it uses less digits than its factorization.

45393887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589549.

The product of its digits is 725760, while the sum is 47.

The square root of 45393887 is about 6737.4985714284. The cubic root of 45393887 is about 356.7241053252.

The spelling of 45393887 in words is "forty-five million, three hundred ninety-three thousand, eight hundred eighty-seven".

Divisors: 1 7 11 77 589531 4126717 6484841 45393887