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1689507296 = 25113659709
BaseRepresentation
bin110010010110011…
…1101010111100000
311100202002212022022
41210230331113200
511430003213141
6435352001012
756603401151
oct14454752740
94322085268
101689507296
11797756924
123b1990168
1320c044679
14120553928
159d4ceb4b
hex64b3d5e0

1689507296 has 48 divisors (see below), whose sum is σ = 3365485200. Its totient is φ = 834828288.

The previous prime is 1689507257. The next prime is 1689507299. The reversal of 1689507296 is 6927059861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689507299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382590 + ... + 2383298.

It is an arithmetic number, because the mean of its divisors is an integer number (70114275).

Almost surely, 21689507296 is an apocalyptic number.

1689507296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1689507296 is a deficient number, since it is larger than the sum of its proper divisors (1675977904).

1689507296 is a wasteful number, since it uses less digits than its factorization.

1689507296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 1689507296 is about 41103.6165805395. The cubic root of 1689507296 is about 1191.0226587844.

The spelling of 1689507296 in words is "one billion, six hundred eighty-nine million, five hundred seven thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 113 226 452 659 709 904 1318 1418 1808 2636 2836 3616 5272 5672 10544 11344 21088 22688 74467 80117 148934 160234 297868 320468 467231 595736 640936 934462 1191472 1281872 1868924 2382944 2563744 3737848 7475696 14951392 52797103 105594206 211188412 422376824 844753648 1689507296