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207225 = 3352307
BaseRepresentation
bin110010100101111001
3101112021000
4302211321
523112400
64235213
71522104
oct624571
9345230
10207225
11131767
129bb09
1373425
145573b
1541600
hex32979

207225 has 24 divisors (see below), whose sum is σ = 381920. Its totient is φ = 110160.

The previous prime is 207199. The next prime is 207227. The reversal of 207225 is 522702.

Adding to 207225 its reverse (522702), we get a palindrome (729927).

It is a happy number.

It is not a de Polignac number, because 207225 - 213 = 199033 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 207198 and 207207.

It is not an unprimeable number, because it can be changed into a prime (207227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522 + ... + 828.

2207225 is an apocalyptic number.

207225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

207225 is a deficient number, since it is larger than the sum of its proper divisors (174695).

207225 is a wasteful number, since it uses less digits than its factorization.

207225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 207225 is about 455.2197271648. The cubic root of 207225 is about 59.1762421409.

The spelling of 207225 in words is "two hundred seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 307 675 921 1535 2763 4605 7675 8289 13815 23025 41445 69075 207225