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45366721 = 83546587
BaseRepresentation
bin1010110100001…
…1110111000001
310011100212102221
42231003313001
543103213341
64300211041
71060416331
oct255036701
9104325387
1045366721
1123676764
1213239a81
13952551a
14604d0c1
153eb1ed1
hex2b43dc1

45366721 has 4 divisors (see below), whose sum is σ = 45913392. Its totient is φ = 44820052.

The previous prime is 45366707. The next prime is 45366749. The reversal of 45366721 is 12766354.

It is a happy number.

45366721 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45366721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45366791) 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, 273211 + ... + 273376.

It is an arithmetic number, because the mean of its divisors is an integer number (11478348).

Almost surely, 245366721 is an apocalyptic number.

It is an amenable number.

45366721 is a deficient number, since it is larger than the sum of its proper divisors (546671).

45366721 is an equidigital number, since it uses as much as digits as its factorization.

45366721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546670.

The product of its digits is 30240, while the sum is 34.

The square root of 45366721 is about 6735.4822396024. The cubic root of 45366721 is about 356.6529305373.

The spelling of 45366721 in words is "forty-five million, three hundred sixty-six thousand, seven hundred twenty-one".

Divisors: 1 83 546587 45366721