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444553044 = 223132849699
BaseRepresentation
bin11010011111110…
…101011101010100
31010222111122010120
4122133311131110
51402301144134
6112040151540
714005432005
oct3237653524
91128448116
10444553044
11208a36311
12104a685b0
1371140650
14430811ac
1529064649
hex1a7f5754

444553044 has 24 divisors (see below), whose sum is σ = 1117082400. Its totient is φ = 136785504.

The previous prime is 444553003. The next prime is 444553069. The reversal of 444553044 is 440355444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444552996 and 444553014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424694 + ... + 1425005.

It is an arithmetic number, because the mean of its divisors is an integer number (46545100).

Almost surely, 2444553044 is an apocalyptic number.

It is an amenable number.

444553044 is an abundant number, since it is smaller than the sum of its proper divisors (672529356).

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

444553044 is a wasteful number, since it uses less digits than its factorization.

444553044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849719 (or 2849717 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 444553044 is about 21084.4265750814. The cubic root of 444553044 is about 763.2049810358.

The spelling of 444553044 in words is "four hundred forty-four million, five hundred fifty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2849699 5699398 8549097 11398796 17098194 34196388 37046087 74092174 111138261 148184348 222276522 444553044