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328127425 = 528921657
BaseRepresentation
bin10011100011101…
…101001111000001
3211212102121012121
4103203231033001
51133000034200
652320524241
711063015503
oct2343551701
9755377177
10328127425
11159245a9a
1291a80681
1352c98652
1431815d73
151dc17e1a
hex138ed3c1

328127425 has 18 divisors (see below), whose sum is σ = 411749378. Its totient is φ = 259395840.

The previous prime is 328127419. The next prime is 328127447. The reversal of 328127425 is 524721823.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 219988224 + 108139201 = 14832^2 + 10399^2 .

It is not a de Polignac number, because 328127425 - 27 = 328127297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 197197 + ... + 198853.

Almost surely, 2328127425 is an apocalyptic number.

It is an amenable number.

328127425 is a deficient number, since it is larger than the sum of its proper divisors (83621953).

328127425 is an equidigital number, since it uses as much as digits as its factorization.

328127425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845 (or 1751 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 328127425 is about 18114.2878689724. The cubic root of 328127425 is about 689.7327432380.

The spelling of 328127425 in words is "three hundred twenty-eight million, one hundred twenty-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 89 445 1657 2225 7921 8285 39605 41425 147473 198025 737365 3686825 13125097 65625485 328127425