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325138225 = 52107121547
BaseRepresentation
bin10011011000010…
…011011100110001
3211122210201210111
4103120103130301
51131213410400
652132501321
711025425566
oct2330233461
9748721714
10325138225
11157594185
1290a7a841
135248cba9
143127886d
151d8273ba
hex13613731

325138225 has 12 divisors (see below), whose sum is σ = 406942704. Its totient is φ = 257677520.

The previous prime is 325138223. The next prime is 325138273. The reversal of 325138225 is 522831523.

It is not a de Polignac number, because 325138225 - 21 = 325138223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325138223) 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, 58099 + ... + 63448.

It is an arithmetic number, because the mean of its divisors is an integer number (33911892).

Almost surely, 2325138225 is an apocalyptic number.

It is an amenable number.

325138225 is a deficient number, since it is larger than the sum of its proper divisors (81804479).

325138225 is a wasteful number, since it uses less digits than its factorization.

325138225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121664 (or 121659 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 325138225 is about 18031.5896415152. The cubic root of 325138225 is about 687.6318909497.

Adding to 325138225 its reverse (522831523), we get a palindrome (847969748).

The spelling of 325138225 in words is "three hundred twenty-five million, one hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 107 535 2675 121547 607735 3038675 13005529 65027645 325138225