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45905740 = 22512831789
BaseRepresentation
bin1010111100011…
…1011101001100
310012101020211121
42233013131030
543222440430
64315530324
71065122656
oct257073514
9105336747
1045905740
1123a04731
12134599a4
13968397a
14614d6d6
15406ba7a
hex2bc774c

45905740 has 24 divisors (see below), whose sum is σ = 96531120. Its totient is φ = 18337728.

The previous prime is 45905737. The next prime is 45905747. The reversal of 45905740 is 4750954.

It is a junction number, because it is equal to n+sod(n) for n = 45905696 and 45905705.

It is not an unprimeable number, because it can be changed into a prime (45905747) 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, 24766 + ... + 26554.

It is an arithmetic number, because the mean of its divisors is an integer number (4022130).

Almost surely, 245905740 is an apocalyptic number.

It is an amenable number.

45905740 is an abundant number, since it is smaller than the sum of its proper divisors (50625380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45905740 is a wasteful number, since it uses less digits than its factorization.

45905740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 45905740 is about 6775.3774802589. The cubic root of 45905740 is about 358.0598819964.

The spelling of 45905740 in words is "forty-five million, nine hundred five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1283 1789 2566 3578 5132 6415 7156 8945 12830 17890 25660 35780 2295287 4590574 9181148 11476435 22952870 45905740