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328515625 = 58292
BaseRepresentation
bin10011100101001…
…100000000101001
3211220011022201101
4103211030000221
51133100000000
652333121401
711066223334
oct2345140051
9756138641
10328515625
11159490719
1292029261
13530a3259
14318b761b
151dc92e6a
hex1394c029

328515625 has 27 divisors (see below), whose sum is σ = 425292751. Its totient is φ = 253750000.

The previous prime is 328515617. The next prime is 328515653. The reversal of 328515625 is 526515823.

It is a happy number.

The square root of 328515625 is 18125.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 18896409 + 309619216 = 4347^2 + 17596^2 .

It is not a de Polignac number, because 328515625 - 23 = 328515617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11328111 + ... + 11328139.

Almost surely, 2328515625 is an apocalyptic number.

328515625 is the 18125-th square number.

328515625 is the 9063-rd centered octagonal number.

It is an amenable number.

328515625 is a deficient number, since it is larger than the sum of its proper divisors (96777126).

328515625 is an frugal number, since it uses more digits than its factorization.

328515625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 34 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The cubic root of 328515625 is about 690.0046383501.

The spelling of 328515625 in words is "three hundred twenty-eight million, five hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 5 25 29 125 145 625 725 841 3125 3625 4205 15625 18125 21025 78125 90625 105125 390625 453125 525625 2265625 2628125 11328125 13140625 65703125 328515625