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45572980 = 2252278649
BaseRepresentation
bin1010110111011…
…0001101110100
310011202100101011
42231312031310
543131313410
64304442004
71062235555
oct255661564
9104670334
1045572980
11237a7722
1213319304
13959837b
1460a432c
15400318a
hex2b76374

45572980 has 12 divisors (see below), whose sum is σ = 95703300. Its totient is φ = 18229184.

The previous prime is 45572977. The next prime is 45572981. The reversal of 45572980 is 8927554.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 35307364 = 3204^2 + 5942^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45572981) 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, 1139305 + ... + 1139344.

It is an arithmetic number, because the mean of its divisors is an integer number (7975275).

Almost surely, 245572980 is an apocalyptic number.

It is an amenable number.

45572980 is an abundant number, since it is smaller than the sum of its proper divisors (50130320).

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

45572980 is a wasteful number, since it uses less digits than its factorization.

45572980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278658 (or 2278656 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 45572980 is about 6750.7762516617. The cubic root of 45572980 is about 357.1926188948.

The spelling of 45572980 in words is "forty-five million, five hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2278649 4557298 9114596 11393245 22786490 45572980