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45045584 = 242997081
BaseRepresentation
bin1010101111010…
…1011101010000
310010202112220222
42223311131100
543012424314
64245252212
71054611143
oct253653520
9103675828
1045045584
1123477461
1213104068
1394422bc
145da805a
153e4bc8e
hex2af5750

45045584 has 20 divisors (see below), whose sum is σ = 90286260. Its totient is φ = 21745920.

The previous prime is 45045577. The next prime is 45045589. The reversal of 45045584 is 48554054.

It can be written as a sum of positive squares in 2 ways, for example, as 34339600 + 10705984 = 5860^2 + 3272^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45045589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48077 + ... + 49004.

It is an arithmetic number, because the mean of its divisors is an integer number (4514313).

Almost surely, 245045584 is an apocalyptic number.

It is an amenable number.

45045584 is an abundant number, since it is smaller than the sum of its proper divisors (45240676).

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

45045584 is a wasteful number, since it uses less digits than its factorization.

45045584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97118 (or 97112 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 45045584 is about 6711.6007032600. The cubic root of 45045584 is about 355.8093917142.

The spelling of 45045584 in words is "forty-five million, forty-five thousand, five hundred eighty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 97081 194162 388324 776648 1553296 2815349 5630698 11261396 22522792 45045584