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1253379260 = 225757115679
BaseRepresentation
bin100101010110101…
…0000110010111100
310020100110021010002
41022231100302330
510031331114020
6324212133432
743026355640
oct11255206274
93210407102
101253379260
11593555431
122ab907278
1316c893a43
14bc666c20
1575081975
hex4ab50cbc

1253379260 has 48 divisors (see below), whose sum is σ = 3013570560. Its totient is φ = 428950080.

The previous prime is 1253379241. The next prime is 1253379269. The reversal of 1253379260 is 629733521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253379269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72101 + ... + 87779.

It is an arithmetic number, because the mean of its divisors is an integer number (62782720).

Almost surely, 21253379260 is an apocalyptic number.

1253379260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253379260 is an abundant number, since it is smaller than the sum of its proper divisors (1760191300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253379260 is a wasteful number, since it uses less digits than its factorization.

1253379260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16266 (or 16264 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 1253379260 is about 35403.0967572047. The cubic root of 1253379260 is about 1078.1871909066.

The spelling of 1253379260 in words is "one billion, two hundred fifty-three million, three hundred seventy-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 571 1142 2284 2855 3997 5710 7994 11420 15679 15988 19985 31358 39970 62716 78395 79940 109753 156790 219506 313580 439012 548765 1097530 2195060 8952709 17905418 35810836 44763545 62668963 89527090 125337926 179054180 250675852 313344815 626689630 1253379260