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44073220 = 2252203661
BaseRepresentation
bin1010100000100…
…0000100000100
310001221011002111
42220020010010
542240320340
64212350404
71043421232
oct250100404
9101834074
1044073220
1122972954
1212915404
139191839
145bd3952
153d08aea
hex2a08104

44073220 has 12 divisors (see below), whose sum is σ = 92553804. Its totient is φ = 17629280.

The previous prime is 44073209. The next prime is 44073223. The reversal of 44073220 is 2237044.

It can be written as a sum of positive squares in 2 ways, for example, as 4910656 + 39162564 = 2216^2 + 6258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44073191 and 44073200.

It is not an unprimeable number, because it can be changed into a prime (44073223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101811 + ... + 1101850.

It is an arithmetic number, because the mean of its divisors is an integer number (7712817).

Almost surely, 244073220 is an apocalyptic number.

It is an amenable number.

44073220 is an abundant number, since it is smaller than the sum of its proper divisors (48480584).

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

44073220 is a wasteful number, since it uses less digits than its factorization.

44073220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203670 (or 2203668 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 44073220 is about 6638.7664516836. The cubic root of 44073220 is about 353.2305523604.

The spelling of 44073220 in words is "forty-four million, seventy-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2203661 4407322 8814644 11018305 22036610 44073220