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45442641 = 323658589
BaseRepresentation
bin1010110101011…
…0011001010001
310011111201120210
42231112121101
543113131031
64301554333
71061153556
oct255263121
9104451523
1045442641
1123718802
12132759a9
139550c4a
14606ca2d
153ec9746
hex2b56651

45442641 has 8 divisors (see below), whose sum is σ = 63224640. Its totient is φ = 28977872.

The previous prime is 45442633. The next prime is 45442643. The reversal of 45442641 is 14624454.

It is a happy number.

45442641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45442641 - 23 = 45442633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45442599 and 45442608.

It is not an unprimeable number, because it can be changed into a prime (45442643) 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 7 ways as a sum of consecutive naturals, for example, 329226 + ... + 329363.

It is an arithmetic number, because the mean of its divisors is an integer number (7903080).

Almost surely, 245442641 is an apocalyptic number.

It is an amenable number.

45442641 is a deficient number, since it is larger than the sum of its proper divisors (17781999).

45442641 is a wasteful number, since it uses less digits than its factorization.

45442641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658615.

The product of its digits is 15360, while the sum is 30.

The square root of 45442641 is about 6741.1157088423. The cubic root of 45442641 is about 356.8517693899.

The spelling of 45442641 in words is "forty-five million, four hundred forty-two thousand, six hundred forty-one".

Divisors: 1 3 23 69 658589 1975767 15147547 45442641