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45568420 = 2252278421
BaseRepresentation
bin1010110111010…
…1000110100100
310011202010010021
42231311012210
543131142140
64304404524
71062216352
oct255650644
9104663107
1045568420
11237a4257
1213316744
139596281
1460a27d2
154001b4a
hex2b751a4

45568420 has 12 divisors (see below), whose sum is σ = 95693724. Its totient is φ = 18227360.

The previous prime is 45568399. The next prime is 45568429. The reversal of 45568420 is 2486554.

45568420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29311396 + 16257024 = 5414^2 + 4032^2 .

It is not an unprimeable number, because it can be changed into a prime (45568429) 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, 1139191 + ... + 1139230.

It is an arithmetic number, because the mean of its divisors is an integer number (7974477).

Almost surely, 245568420 is an apocalyptic number.

It is an amenable number.

45568420 is an abundant number, since it is smaller than the sum of its proper divisors (50125304).

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

45568420 is a wasteful number, since it uses less digits than its factorization.

45568420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278430 (or 2278428 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 45568420 is about 6750.4385042751. The cubic root of 45568420 is about 357.1807050175.

The spelling of 45568420 in words is "forty-five million, five hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2278421 4556842 9113684 11392105 22784210 45568420