Search a number
-
+
44393980 = 2254154139
BaseRepresentation
bin1010100101011…
…0010111111100
310002112110002111
42221112113330
542331101410
64223303404
71046225341
oct251262774
9102473074
1044393980
1123071944
1212a4ab64
139274837
145c787c8
153d6db8a
hex2a565fc

44393980 has 24 divisors (see below), whose sum is σ = 95502960. Its totient is φ = 17324160.

The previous prime is 44393929. The next prime is 44393981. The reversal of 44393980 is 8939344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44393981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26250 + ... + 27889.

It is an arithmetic number, because the mean of its divisors is an integer number (3979290).

Almost surely, 244393980 is an apocalyptic number.

It is an amenable number.

44393980 is an abundant number, since it is smaller than the sum of its proper divisors (51108980).

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

44393980 is a wasteful number, since it uses less digits than its factorization.

44393980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54189 (or 54187 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 44393980 is about 6662.8807583507. The cubic root of 44393980 is about 354.0854061012.

The spelling of 44393980 in words is "forty-four million, three hundred ninety-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 54139 108278 216556 270695 541390 1082780 2219699 4439398 8878796 11098495 22196990 44393980