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233233025 = 5212977193
BaseRepresentation
bin11011110011011…
…01101010000001
3121020212110120012
431321231222001
5434201424100
635050554305
75531306444
oct1571555201
9536773505
10233233025
1110a721473
1266138995
1339421a0c
1422d9365b
1515721135
hexde6da81

233233025 has 12 divisors (see below), whose sum is σ = 289472172. Its totient is φ = 186416640.

The previous prime is 233233003. The next prime is 233233031. The reversal of 233233025 is 520332332.

It can be written as a sum of positive squares in 6 ways, for example, as 456976 + 232776049 = 676^2 + 15257^2 .

It is not a de Polignac number, because 233233025 - 212 = 233228929 is a prime.

It is a Duffinian 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, 28829 + ... + 36021.

It is an arithmetic number, because the mean of its divisors is an integer number (24122681).

Almost surely, 2233233025 is an apocalyptic number.

233233025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233233025 is a deficient number, since it is larger than the sum of its proper divisors (56239147).

233233025 is a wasteful number, since it uses less digits than its factorization.

233233025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500 (or 8495 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 233233025 is about 15271.9686026393. The cubic root of 233233025 is about 615.5500180092.

Adding to 233233025 its reverse (520332332), we get a palindrome (753565357).

The spelling of 233233025 in words is "two hundred thirty-three million, two hundred thirty-three thousand, twenty-five".

Divisors: 1 5 25 1297 6485 7193 32425 35965 179825 9329321 46646605 233233025