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44720380 = 2254994481
BaseRepresentation
bin1010101010011…
…0000011111100
310010011000211101
42222212003330
542422023010
64234302444
71052055055
oct252460374
9103130741
1044720380
11232750a1
1212b87a24
13935a283
145d2172c
153dd573a
hex2aa60fc

44720380 has 24 divisors (see below), whose sum is σ = 94122000. Its totient is φ = 17848320.

The previous prime is 44720371. The next prime is 44720449. The reversal of 44720380 is 8302744.

44720380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7740 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (3921750).

Almost surely, 244720380 is an apocalyptic number.

It is an amenable number.

44720380 is an abundant number, since it is smaller than the sum of its proper divisors (49401620).

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

44720380 is a wasteful number, since it uses less digits than its factorization.

44720380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 44720380 is about 6687.3298109186. The cubic root of 44720380 is about 354.9510743921.

The spelling of 44720380 in words is "forty-four million, seven hundred twenty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 499 998 1996 2495 4481 4990 8962 9980 17924 22405 44810 89620 2236019 4472038 8944076 11180095 22360190 44720380