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325568992 = 2571032137
BaseRepresentation
bin10011011001111…
…100100111100000
3211200121121200211
4103121330213200
51131321201432
652150023504
711032201510
oct2331744740
9750547624
10325568992
11157858891
1291047b94
13525b0c98
143134b840
151d8aed47
hex1367c9e0

325568992 has 72 divisors (see below), whose sum is σ = 745110576. Its totient is φ = 137166336.

The previous prime is 325568963. The next prime is 325569011. The reversal of 325568992 is 299865523.

It is a happy number.

Its product of digits (1166400) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2376348 + ... + 2376484.

It is an arithmetic number, because the mean of its divisors is an integer number (10348758).

Almost surely, 2325568992 is an apocalyptic number.

325568992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325568992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372555288).

325568992 is an abundant number, since it is smaller than the sum of its proper divisors (419541584).

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

325568992 is a wasteful number, since it uses less digits than its factorization.

325568992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 249 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 325568992 is about 18043.5304749375. The cubic root of 325568992 is about 687.9354320152.

The spelling of 325568992 in words is "three hundred twenty-five million, five hundred sixty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 103 112 137 206 224 274 412 548 721 824 959 1096 1442 1648 1918 2192 2884 3296 3836 4384 5768 7672 10609 11536 14111 15344 21218 23072 28222 30688 42436 56444 74263 84872 98777 112888 148526 169744 197554 225776 297052 339488 395108 451552 594104 790216 1188208 1453433 1580432 2376416 2906866 3160864 5813732 10174031 11627464 20348062 23254928 40696124 46509856 81392248 162784496 325568992