Base | Representation |
---|---|
bin | 101000101111… |
… | …101110001001 |
3 | 202002122212221 |
4 | 220233232021 |
5 | 10213244400 |
6 | 1020534041 |
7 | 156534412 |
oct | 50575611 |
9 | 22078787 |
10 | 10681225 |
11 | 6035a65 |
12 | 36b1321 |
13 | 229c969 |
14 | 15c0809 |
15 | e0ec1a |
hex | a2fb89 |
10681225 has 6 divisors (see below), whose sum is σ = 13244750. Its totient is φ = 8544960.
The previous prime is 10681217. The next prime is 10681241. The reversal of 10681225 is 52218601.
It can be written as a sum of positive squares in 3 ways, for example, as 1065024 + 9616201 = 1032^2 + 3101^2 .
It is not a de Polignac number, because 10681225 - 23 = 10681217 is a prime.
It is a super-2 number, since 2×106812252 = 228177135001250, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 427249 = 10681225 / (1 + 0 + 6 + 8 + 1 + 2 + 2 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 10681225.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213600 + ... + 213649.
Almost surely, 210681225 is an apocalyptic number.
It is an amenable number.
10681225 is a deficient number, since it is larger than the sum of its proper divisors (2563525).
10681225 is an equidigital number, since it uses as much as digits as its factorization.
10681225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 427259 (or 427254 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 10681225 is about 3268.2143442559. The cubic root of 10681225 is about 220.2285847273.
Adding to 10681225 its reverse (52218601), we get a palindrome (62899826).
The spelling of 10681225 in words is "ten million, six hundred eighty-one thousand, two hundred twenty-five".
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