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45721753 = 721184827
BaseRepresentation
bin1010111001101…
…0100010011001
310012000220110021
42232122202121
543201044003
64311550441
71063425400
oct256324231
9105026407
1045721753
1123899480
121338b421
13961acbc
146102637
1540322bd
hex2b9a899

45721753 has 12 divisors (see below), whose sum is σ = 58022352. Its totient is φ = 35626920.

The previous prime is 45721729. The next prime is 45721759. The reversal of 45721753 is 35712754.

45721753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45721753 - 217 = 45590681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45721759) 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 11 ways as a sum of consecutive naturals, for example, 41875 + ... + 42952.

It is an arithmetic number, because the mean of its divisors is an integer number (4835196).

Almost surely, 245721753 is an apocalyptic number.

It is an amenable number.

45721753 is a deficient number, since it is larger than the sum of its proper divisors (12300599).

45721753 is a wasteful number, since it uses less digits than its factorization.

45721753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84852 (or 84845 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 45721753 is about 6761.7862285050. The cubic root of 45721753 is about 357.5808818252.

The spelling of 45721753 in words is "forty-five million, seven hundred twenty-one thousand, seven hundred fifty-three".

Divisors: 1 7 11 49 77 539 84827 593789 933097 4156523 6531679 45721753