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44913980 = 2257330763
BaseRepresentation
bin1010101101010…
…1010100111100
310010111212101202
42223111110330
542444221410
64242355032
71053522356
oct253252474
9103455352
1044913980
11233975a1
121305ba78
1393c7427
145d720d6
153e22ca5
hex2ad553c

44913980 has 24 divisors (see below), whose sum is σ = 95614512. Its totient is φ = 17718912.

The previous prime is 44913977. The next prime is 44914003. The reversal of 44913980 is 8931944.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13922 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (3983938).

Almost surely, 244913980 is an apocalyptic number.

It is an amenable number.

44913980 is an abundant number, since it is smaller than the sum of its proper divisors (50700532).

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

44913980 is a wasteful number, since it uses less digits than its factorization.

44913980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30845 (or 30843 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 44913980 is about 6701.7893133103. The cubic root of 44913980 is about 355.4625459119.

The spelling of 44913980 in words is "forty-four million, nine hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 30763 61526 123052 153815 307630 615260 2245699 4491398 8982796 11228495 22456990 44913980