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731053444 = 2211212292
BaseRepresentation
bin101011100100101…
…111110110000100
31212221121100210111
4223210233312010
52444122202234
6200313002404
724054565102
oct5344576604
91787540714
10731053444
1134572a300
121849b3404
13b85c2a04
146d13cc72
15442a8664
hex2b92fd84

731053444 has 27 divisors (see below), whose sum is σ = 1407365701. Its totient is φ = 332026640.

The previous prime is 731053429. The next prime is 731053457. The reversal of 731053444 is 444350137.

The square root of 731053444 is 27038.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 721567044 + 9486400 = 26862^2 + 3080^2 .

It is a super-2 number, since 2×7310534442 = 1068878275968522272, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 594222 + ... + 595450.

Almost surely, 2731053444 is an apocalyptic number.

731053444 is the 27038-th square number.

It is an amenable number.

731053444 is a deficient number, since it is larger than the sum of its proper divisors (676312257).

731053444 is a wasteful number, since it uses less digits than its factorization.

731053444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The cubic root of 731053444 is about 900.8442464887.

The spelling of 731053444 in words is "seven hundred thirty-one million, fifty-three thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 121 242 484 1229 2458 4916 13519 27038 54076 148709 297418 594836 1510441 3020882 6041764 16614851 33229702 66459404 182763361 365526722 731053444