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328291201 = 717321567
BaseRepresentation
bin10011100100010…
…101001110000001
3211212201220212101
4103210111032001
51133020304301
652324230401
711064300130
oct2344251601
9755656771
10328291201
11159348047
1291b3b401
1353025064
1431859917
151dc4b701
hex13915381

328291201 has 12 divisors (see below), whose sum is σ = 377612032. Its totient is φ = 279587376.

The previous prime is 328291181. The next prime is 328291211. The reversal of 328291201 is 102192823.

It is not a de Polignac number, because 328291201 - 213 = 328283009 is a prime.

It is a super-2 number, since 2×3282912012 = 215550225308044802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328291201.

It is not an unprimeable number, because it can be changed into a prime (328291211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208720 + ... + 210286.

Almost surely, 2328291201 is an apocalyptic number.

It is an amenable number.

328291201 is a deficient number, since it is larger than the sum of its proper divisors (49320831).

328291201 is an equidigital number, since it uses as much as digits as its factorization.

328291201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 328291201 is about 18118.8079354024. The cubic root of 328291201 is about 689.8474780153.

The spelling of 328291201 in words is "three hundred twenty-eight million, two hundred ninety-one thousand, two hundred one".

Divisors: 1 7 173 1211 1567 10969 29929 209503 271091 1897637 46898743 328291201