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233425 = 529337
BaseRepresentation
bin111000111111010001
3102212012101
4320333101
524432200
65000401
71661353
oct707721
9385171
10233425
1114a415
12b3101
138232a
14610d3
154926a
hex38fd1

233425 has 6 divisors (see below), whose sum is σ = 289478. Its totient is φ = 186720.

The previous prime is 233423. The next prime is 233437. The reversal of 233425 is 524332.

Adding to 233425 its reverse (524332), we get a palindrome (757757).

It can be written as a sum of positive squares in 3 ways, for example, as 59536 + 173889 = 244^2 + 417^2 .

It is not a de Polignac number, because 233425 - 21 = 233423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4644 + ... + 4693.

2233425 is an apocalyptic number.

233425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233425 is a deficient number, since it is larger than the sum of its proper divisors (56053).

233425 is an equidigital number, since it uses as much as digits as its factorization.

233425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9347 (or 9342 counting only the distinct ones).

The product of its digits is 720, while the sum is 19.

The square root of 233425 is about 483.1407662369. The cubic root of 233425 is about 61.5718858889.

The spelling of 233425 in words is "two hundred thirty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 9337 46685 233425