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328866680 = 2358221667
BaseRepresentation
bin10011100110100…
…001101101111000
3211220211011021102
4103212201231320
51133142213210
652344430532
711102214662
oct2346415570
9756734242
10328866680
1115970044a
1292178448
1353196c8c
1431969532
151dd11ea5
hex139a1b78

328866680 has 16 divisors (see below), whose sum is σ = 739950120. Its totient is φ = 131546656.

The previous prime is 328866647. The next prime is 328866697. The reversal of 328866680 is 86668823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4110794 + ... + 4110873.

Almost surely, 2328866680 is an apocalyptic number.

It is an amenable number.

328866680 is an abundant number, since it is smaller than the sum of its proper divisors (411083440).

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

328866680 is a wasteful number, since it uses less digits than its factorization.

328866680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221678 (or 8221674 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 328866680 is about 18134.6816900656. The cubic root of 328866680 is about 690.2503327485.

The spelling of 328866680 in words is "three hundred twenty-eight million, eight hundred sixty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 8221667 16443334 32886668 41108335 65773336 82216670 164433340 328866680