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10321225 = 52412849
BaseRepresentation
bin100111010111…
…110101001001
3201102101001121
4213113311021
510120234400
61005115241
7153505015
oct47276511
921371047
1010321225
11590a542
123558b21
1321a4b45
141529545
15d8d21a
hex9d7d49

10321225 has 6 divisors (see below), whose sum is σ = 12798350. Its totient is φ = 8256960.

The previous prime is 10321211. The next prime is 10321229. The reversal of 10321225 is 52212301.

It can be written as a sum of positive squares in 3 ways, for example, as 2862864 + 7458361 = 1692^2 + 2731^2 .

It is not a de Polignac number, because 10321225 - 217 = 10190153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10321199 and 10321208.

It is not an unprimeable number, because it can be changed into a prime (10321229) 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, 206400 + ... + 206449.

Almost surely, 210321225 is an apocalyptic number.

It is an amenable number.

10321225 is a deficient number, since it is larger than the sum of its proper divisors (2477125).

10321225 is an equidigital number, since it uses as much as digits as its factorization.

10321225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412859 (or 412854 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10321225 is about 3212.6663381061. Note that the first 3 decimals coincide. The cubic root of 10321225 is about 217.7260608159.

Adding to 10321225 its reverse (52212301), we get a palindrome (62533526).

The spelling of 10321225 in words is "ten million, three hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 412849 2064245 10321225