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444044631 = 31914991553
BaseRepresentation
bin11010011101111…
…001010101010111
31010221112210201110
4122131321111113
51402133412011
6112021230103
714001213522
oct3235712527
91127483643
10444044631
11208719338
12104862333
1370cc3104
1442d8bbb9
1528eb3ba6
hex1a779557

444044631 has 16 divisors (see below), whose sum is σ = 596736000. Its totient is φ = 293700480.

The previous prime is 444044609. The next prime is 444044663. The reversal of 444044631 is 136440444.

It is not a de Polignac number, because 444044631 - 25 = 444044599 is a prime.

It is a super-2 number, since 2×4440446312 = 394351268639852322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444042631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285151 + ... + 286703.

It is an arithmetic number, because the mean of its divisors is an integer number (37296000).

Almost surely, 2444044631 is an apocalyptic number.

444044631 is a deficient number, since it is larger than the sum of its proper divisors (152691369).

444044631 is a wasteful number, since it uses less digits than its factorization.

444044631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444044631 is about 21072.3665258556. The cubic root of 444044631 is about 762.9139236437.

The spelling of 444044631 in words is "four hundred forty-four million, forty-four thousand, six hundred thirty-one".

Divisors: 1 3 191 499 573 1497 1553 4659 95309 285927 296623 774947 889869 2324841 148014877 444044631