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3257225 = 521131153
BaseRepresentation
bin1100011011001110001001
320010111001222
430123032021
51313212400
6153451425
736454166
oct14331611
96114058
103257225
111925224
121110b75
138a076a
1460b06d
15445185
hex31b389

3257225 has 12 divisors (see below), whose sum is σ = 4078236. Its totient is φ = 2580480.

The previous prime is 3257203. The next prime is 3257231. The reversal of 3257225 is 5227523.

3257225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 2948089 = 556^2 + 1717^2 .

It is not a de Polignac number, because 3257225 - 26 = 3257161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3257194 and 3257203.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2249 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (339853).

Almost surely, 23257225 is an apocalyptic number.

It is an amenable number.

3257225 is a deficient number, since it is larger than the sum of its proper divisors (821011).

3257225 is a wasteful number, since it uses less digits than its factorization.

3257225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its digits is 4200, while the sum is 26.

The square root of 3257225 is about 1804.7783797464. The cubic root of 3257225 is about 148.2344864599.

The spelling of 3257225 in words is "three million, two hundred fifty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 113 565 1153 2825 5765 28825 130289 651445 3257225