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444501031 = 1334192387
BaseRepresentation
bin11010011111101…
…000110000100111
31010222101222210011
4122133220300213
51402243013111
6112035111051
714005124242
oct3237506047
91128358704
10444501031
11208a00227
12104a42487
1371122a80
144306a259
1529054021
hex1a7e8c27

444501031 has 4 divisors (see below), whose sum is σ = 478693432. Its totient is φ = 410308632.

The previous prime is 444501007. The next prime is 444501037. The reversal of 444501031 is 130105444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 444501031 - 25 = 444500999 is a prime.

It is a super-2 number, since 2×4445010312 = 395162333120125922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444500993 and 444501011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444501037) 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, 17096181 + ... + 17096206.

It is an arithmetic number, because the mean of its divisors is an integer number (119673358).

Almost surely, 2444501031 is an apocalyptic number.

444501031 is a deficient number, since it is larger than the sum of its proper divisors (34192401).

444501031 is a wasteful number, since it uses less digits than its factorization.

444501031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34192400.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 444501031 is about 21083.1930930777. The cubic root of 444501031 is about 763.1752147125.

Adding to 444501031 its reverse (130105444), we get a palindrome (574606475).

The spelling of 444501031 in words is "four hundred forty-four million, five hundred one thousand, thirty-one".

Divisors: 1 13 34192387 444501031