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328790292 = 223243711243
BaseRepresentation
bin10011100110001…
…111000100010100
3211220200021111020
4103212033010110
51133132242132
652343041140
711101446165
oct2346170424
9756607436
10328790292
11159659016
12921401b0
135316b28c
143194976c
151dce952c
hex1398f114

328790292 has 24 divisors (see below), whose sum is σ = 767560416. Its totient is φ = 109542048.

The previous prime is 328790291. The next prime is 328790299. The reversal of 328790292 is 292097823.

328790292 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3287902922 = 216206112226890528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328790291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23623 + ... + 34865.

It is an arithmetic number, because the mean of its divisors is an integer number (31981684).

Almost surely, 2328790292 is an apocalyptic number.

It is an amenable number.

328790292 is an abundant number, since it is smaller than the sum of its proper divisors (438770124).

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

328790292 is a wasteful number, since it uses less digits than its factorization.

328790292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687 (or 13685 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 328790292 is about 18132.5754375930. The cubic root of 328790292 is about 690.1968856340.

The spelling of 328790292 in words is "three hundred twenty-eight million, seven hundred ninety thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 2437 4874 7311 9748 11243 14622 22486 29244 33729 44972 67458 134916 27399191 54798382 82197573 109596764 164395146 328790292