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1490130724 = 22593628217
BaseRepresentation
bin101100011010001…
…1001011100100100
310211211221111001211
41120310121130210
511022433140344
6403510401204
751632621305
oct13064313444
93754844054
101490130724
116a515a2a5
12357060204
131a9948074
14101c947ac
158ac4a334
hex58d19724

1490130724 has 12 divisors (see below), whose sum is σ = 2612130444. Its totient is φ = 743807744.

The previous prime is 1490130721. The next prime is 1490130731. The reversal of 1490130724 is 4270310941.

It can be written as a sum of positive squares in 2 ways, for example, as 1009205824 + 480924900 = 31768^2 + 21930^2 .

It is not an unprimeable number, because it can be changed into a prime (1490130721) 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, 311737 + ... + 316480.

It is an arithmetic number, because the mean of its divisors is an integer number (217677537).

Almost surely, 21490130724 is an apocalyptic number.

It is an amenable number.

1490130724 is a deficient number, since it is larger than the sum of its proper divisors (1121999720).

1490130724 is a wasteful number, since it uses less digits than its factorization.

1490130724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628814 (or 628812 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1490130724 is about 38602.2113874322. The cubic root of 1490130724 is about 1142.1981605231.

The spelling of 1490130724 in words is "one billion, four hundred ninety million, one hundred thirty thousand, seven hundred twenty-four".

Divisors: 1 2 4 593 1186 2372 628217 1256434 2512868 372532681 745065362 1490130724