Base | Representation |
---|---|
bin | 101110101111… |
… | …010001100100 |
3 | 212001110221102 |
4 | 232233101210 |
5 | 11114033020 |
6 | 1114335232 |
7 | 206066606 |
oct | 56572144 |
9 | 25043842 |
10 | 12252260 |
11 | 6a09339 |
12 | 412a518 |
13 | 26cca77 |
14 | 18ad176 |
15 | 1120475 |
hex | baf464 |
12252260 has 12 divisors (see below), whose sum is σ = 25729788. Its totient is φ = 4900896.
The previous prime is 12252259. The next prime is 12252263. The reversal of 12252260 is 6225221.
It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 2876416 = 3062^2 + 1696^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 612613 = 12252260 / (1 + 2 + 2 + 5 + 2 + 2 + 6 + 0).
It is not an unprimeable number, because it can be changed into a prime (12252263) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 306287 + ... + 306326.
It is an arithmetic number, because the mean of its divisors is an integer number (2144149).
Almost surely, 212252260 is an apocalyptic number.
12252260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12252260 is an abundant number, since it is smaller than the sum of its proper divisors (13477528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12252260 is a wasteful number, since it uses less digits than its factorization.
12252260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 612622 (or 612620 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 12252260 is about 3500.3228422533. The cubic root of 12252260 is about 230.5359900387.
Adding to 12252260 its reverse (6225221), we get a palindrome (18477481).
The spelling of 12252260 in words is "twelve million, two hundred fifty-two thousand, two hundred sixty".
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