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328071328 = 25131941507
BaseRepresentation
bin10011100011011…
…111100010100000
3211212022202020221
4103203133202200
51132441240303
652315412424
711062363114
oct2343374240
9755282227
10328071328
11159207932
1291a54114
1352c78c60
14317dd744
151dc064bd
hex138df8a0

328071328 has 48 divisors (see below), whose sum is σ = 732201120. Its totient is φ = 143444736.

The previous prime is 328071313. The next prime is 328071349. The reversal of 328071328 is 823170823.

It is a junction number, because it is equal to n+sod(n) for n = 328071293 and 328071302.

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, 12850 + ... + 28657.

It is an arithmetic number, because the mean of its divisors is an integer number (15254190).

Almost surely, 2328071328 is an apocalyptic number.

328071328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

328071328 is an abundant number, since it is smaller than the sum of its proper divisors (404129792).

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

328071328 is a wasteful number, since it uses less digits than its factorization.

328071328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41549 (or 41541 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 328071328 is about 18112.7393842014. The cubic root of 328071328 is about 689.6934351930.

The spelling of 328071328 in words is "three hundred twenty-eight million, seventy-one thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 76 104 152 208 247 304 416 494 608 988 1976 3952 7904 41507 83014 166028 332056 539591 664112 788633 1079182 1328224 1577266 2158364 3154532 4316728 6309064 8633456 10252229 12618128 17266912 20504458 25236256 41008916 82017832 164035664 328071328