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328143190 = 25472412897
BaseRepresentation
bin10011100011110…
…001000101010110
3211212110101211111
4103203301011112
51133001040230
652321125234
711063112454
oct2343610526
9755411744
10328143190
11159256921
1291a8981a
1352ca288b
143181b9d4
151dc1c92a
hex138f1156

328143190 has 32 divisors (see below), whose sum is σ = 605937024. Its totient is φ = 127887360.

The previous prime is 328143187. The next prime is 328143199. The reversal of 328143190 is 91341823.

It is a super-2 number, since 2×3281431902 = 215355906286752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328143199) 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, 111822 + ... + 114718.

It is an arithmetic number, because the mean of its divisors is an integer number (18935532).

Almost surely, 2328143190 is an apocalyptic number.

328143190 is a deficient number, since it is larger than the sum of its proper divisors (277793834).

328143190 is a wasteful number, since it uses less digits than its factorization.

328143190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 328143190 is about 18114.7230174795. The cubic root of 328143190 is about 689.7437892136.

The spelling of 328143190 in words is "three hundred twenty-eight million, one hundred forty-three thousand, one hundred ninety".

Divisors: 1 2 5 10 47 94 235 241 470 482 1205 2410 2897 5794 11327 14485 22654 28970 56635 113270 136159 272318 680795 698177 1361590 1396354 3490885 6981770 32814319 65628638 164071595 328143190