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44057220 = 22351037129
BaseRepresentation
bin1010100000010…
…0001010000100
310001220100010220
42220010022010
542234312340
64212144340
71043323464
oct250041204
9101810126
1044057220
1122961929
12129080b0
13918747c
145bcbba4
153d03ed0
hex2a04284

44057220 has 48 divisors (see below), whose sum is σ = 124575360. Its totient is φ = 11632896.

The previous prime is 44057203. The next prime is 44057239. The reversal of 44057220 is 2275044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2616 + ... + 9744.

It is an arithmetic number, because the mean of its divisors is an integer number (2595320).

Almost surely, 244057220 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 44057220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62287680).

44057220 is an abundant number, since it is smaller than the sum of its proper divisors (80518140).

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

44057220 is a wasteful number, since it uses less digits than its factorization.

44057220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 44057220 is about 6637.5612991520. The cubic root of 44057220 is about 353.1878024934.

The spelling of 44057220 in words is "forty-four million, fifty-seven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1545 2060 3090 6180 7129 14258 21387 28516 35645 42774 71290 85548 106935 142580 213870 427740 734287 1468574 2202861 2937148 3671435 4405722 7342870 8811444 11014305 14685740 22028610 44057220