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233830325 = 5217550189
BaseRepresentation
bin11011110111111…
…11011110110101
3121021222210220102
431323333132311
5434330032300
635111443445
75536345031
oct1573773665
9537883812
10233830325
1110aa9a203
1266386585
13395a0851
14230ab1c1
15157dd0d5
hexdeff7b5

233830325 has 12 divisors (see below), whose sum is σ = 307006020. Its totient is φ = 176060160.

The previous prime is 233830307. The next prime is 233830369. The reversal of 233830325 is 523038332.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4519876 + 229310449 = 2126^2 + 15143^2 .

It is not a de Polignac number, because 233830325 - 226 = 166721461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274670 + ... + 275519.

It is an arithmetic number, because the mean of its divisors is an integer number (25583835).

Almost surely, 2233830325 is an apocalyptic number.

233830325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233830325 is a deficient number, since it is larger than the sum of its proper divisors (73175695).

233830325 is a wasteful number, since it uses less digits than its factorization.

233830325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550216 (or 550211 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 233830325 is about 15291.5115341813. The cubic root of 233830325 is about 616.0750360117.

Adding to 233830325 its reverse (523038332), we get a palindrome (756868657).

The spelling of 233830325 in words is "two hundred thirty-three million, eight hundred thirty thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 550189 2750945 9353213 13754725 46766065 233830325