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325831328 = 2531503653
BaseRepresentation
bin10011011010111…
…100101010100000
3211201002221112222
4103122330222200
51131403100303
652155410212
711034343364
oct2332745240
9751087488
10325831328
11157a17999
1291153968
1352673504
14313b92a4
151d912938
hex136bcaa0

325831328 has 48 divisors (see below), whose sum is σ = 664505856. Its totient is φ = 157105920.

The previous prime is 325831309. The next prime is 325831343. The reversal of 325831328 is 823138523.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498650 + ... + 499302.

It is an arithmetic number, because the mean of its divisors is an integer number (13843872).

Almost surely, 2325831328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325831328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332252928).

325831328 is an abundant number, since it is smaller than the sum of its proper divisors (338674528).

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

325831328 is a wasteful number, since it uses less digits than its factorization.

325831328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197 (or 1189 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 325831328 is about 18050.7985418928. The cubic root of 325831328 is about 688.1201565873.

The spelling of 325831328 in words is "three hundred twenty-five million, eight hundred thirty-one thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 503 653 992 1006 1306 2012 2612 4024 5224 8048 10448 15593 16096 20243 20896 31186 40486 62372 80972 124744 161944 249488 323888 328459 498976 647776 656918 1313836 2627672 5255344 10182229 10510688 20364458 40728916 81457832 162915664 325831328