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44940 = 22357107
BaseRepresentation
bin1010111110001100
32021122110
422332030
52414230
6544020
7245010
oct127614
967573
1044940
1130845
1222010
13175bc
1412540
15d4b0
hexaf8c

44940 has 48 divisors (see below), whose sum is σ = 145152. Its totient is φ = 10176.

The previous prime is 44939. The next prime is 44953. The reversal of 44940 is 4944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 44940.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367 + ... + 473.

It is an arithmetic number, because the mean of its divisors is an integer number (3024).

244940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576).

44940 is an abundant number, since it is smaller than the sum of its proper divisors (100212).

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

44940 is a wasteful number, since it uses less digits than its factorization.

44940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 44940 is about 211.9905658278. The cubic root of 44940 is about 35.5531175990.

The spelling of 44940 in words is "forty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 107 140 210 214 321 420 428 535 642 749 1070 1284 1498 1605 2140 2247 2996 3210 3745 4494 6420 7490 8988 11235 14980 22470 44940