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444034631 = 2915311539
BaseRepresentation
bin11010011101110…
…110111001000111
31010221112022000002
4122131312321013
51402133102011
6112021111515
714001142415
oct3235667107
91127468002
10444034631
11208711877
1210485859b
1370cbb6b1
1442d882b5
1528eb0c3b
hex1a776e47

444034631 has 4 divisors (see below), whose sum is σ = 459346200. Its totient is φ = 428723064.

The previous prime is 444034627. The next prime is 444034637. The reversal of 444034631 is 136430444.

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 444034631 - 22 = 444034627 is a prime.

It is a super-2 number, since 2×4440346312 = 394333507054612322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 15311539 = 444034631 / (4 + 4 + 4 + 0 + 3 + 4 + 6 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444034594 and 444034603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444034637) 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, 7655741 + ... + 7655798.

It is an arithmetic number, because the mean of its divisors is an integer number (114836550).

Almost surely, 2444034631 is an apocalyptic number.

444034631 is a deficient number, since it is larger than the sum of its proper divisors (15311569).

444034631 is a wasteful number, since it uses less digits than its factorization.

444034631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311568.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 444034631 is about 21072.1292469461. The cubic root of 444034631 is about 762.9081965943.

The spelling of 444034631 in words is "four hundred forty-four million, thirty-four thousand, six hundred thirty-one".

Divisors: 1 29 15311539 444034631