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10225 = 52409
BaseRepresentation
bin10011111110001
3112000201
42133301
5311400
6115201
741545
oct23761
915021
1010225
117756
125b01
134867
143a25
15306a
hex27f1

10225 has 6 divisors (see below), whose sum is σ = 12710. Its totient is φ = 8160.

The previous prime is 10223. The next prime is 10243. The reversal of 10225 is 52201.

Adding to 10225 its reverse (52201), we get a palindrome (62426).

10225 = 712 + 722.

It can be written as a sum of positive squares in 3 ways, for example, as 2304 + 7921 = 48^2 + 89^2 .

It is not a de Polignac number, because 10225 - 21 = 10223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180 + ... + 229.

210225 is an apocalyptic number.

10225 is the 72-nd centered square number.

It is an amenable number.

10225 is a deficient number, since it is larger than the sum of its proper divisors (2485).

10225 is an equidigital number, since it uses as much as digits as its factorization.

10225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 10225 is about 101.1187420808. The cubic root of 10225 is about 21.7047325574.

The spelling of 10225 in words is "ten thousand, two hundred twenty-five".

Divisors: 1 5 25 409 2045 10225