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328750807 = 7114269491
BaseRepresentation
bin10011100110000…
…101011011010111
3211220121021022211
4103212011123113
51133130011212
652342134251
711101223110
oct2346053327
9756537284
10328750807
11159631390
1292121387
1353156308
1431939207
151dcdc9a7
hex139856d7

328750807 has 8 divisors (see below), whose sum is σ = 409871232. Its totient is φ = 256169400.

The previous prime is 328750771. The next prime is 328750813. The reversal of 328750807 is 708057823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-328750807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328750807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328750847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134669 + ... + 2134822.

It is an arithmetic number, because the mean of its divisors is an integer number (51233904).

Almost surely, 2328750807 is an apocalyptic number.

328750807 is a deficient number, since it is larger than the sum of its proper divisors (81120425).

328750807 is a wasteful number, since it uses less digits than its factorization.

328750807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269509.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 328750807 is about 18131.4866185870. The cubic root of 328750807 is about 690.1692555450.

The spelling of 328750807 in words is "three hundred twenty-eight million, seven hundred fifty thousand, eight hundred seven".

Divisors: 1 7 11 77 4269491 29886437 46964401 328750807