Search a number
-
+
325372609 = 1572072437
BaseRepresentation
bin10011011001001…
…100101011000001
3211200020122022101
4103121030223001
51131243410414
652141510401
711030423122
oct2331145301
9750218271
10325372609
11157734291
1290b72401
1352542793
14312da049
151d871a74
hex1364cac1

325372609 has 4 divisors (see below), whose sum is σ = 327445204. Its totient is φ = 323300016.

The previous prime is 325372601. The next prime is 325372631. The reversal of 325372609 is 906273523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143041600 + 182331009 = 11960^2 + 13503^2 .

It is a cyclic number.

It is not a de Polignac number, because 325372609 - 23 = 325372601 is a prime.

It is a super-3 number, since 3×3253726093 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325372601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036062 + ... + 1036375.

It is an arithmetic number, because the mean of its divisors is an integer number (81861301).

Almost surely, 2325372609 is an apocalyptic number.

It is an amenable number.

325372609 is a deficient number, since it is larger than the sum of its proper divisors (2072595).

325372609 is a wasteful number, since it uses less digits than its factorization.

325372609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072594.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 325372609 is about 18038.0877312425. The cubic root of 325372609 is about 687.7970834621.

The spelling of 325372609 in words is "three hundred twenty-five million, three hundred seventy-two thousand, six hundred nine".

Divisors: 1 157 2072437 325372609