Base | Representation |
---|---|
bin | 101110111110… |
… | …001010011101 |
3 | 212011120121010 |
4 | 232332022131 |
5 | 11123010440 |
6 | 1115525433 |
7 | 206442450 |
oct | 56761235 |
9 | 25146533 |
10 | 12313245 |
11 | 6a5013a |
12 | 4159879 |
13 | 2721759 |
14 | 18c7497 |
15 | 1133580 |
hex | bbe29d |
12313245 has 16 divisors (see below), whose sum is σ = 22515840. Its totient is φ = 5628864.
The previous prime is 12313237. The next prime is 12313261. The reversal of 12313245 is 54231321.
It is not a de Polignac number, because 12313245 - 23 = 12313237 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58530 + ... + 58739.
It is an arithmetic number, because the mean of its divisors is an integer number (1407240).
Almost surely, 212313245 is an apocalyptic number.
12313245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12313245 is a deficient number, since it is larger than the sum of its proper divisors (10202595).
12313245 is a wasteful number, since it uses less digits than its factorization.
12313245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117284.
The product of its digits is 720, while the sum is 21.
The square root of 12313245 is about 3509.0233684032. The cubic root of 12313245 is about 230.9178508890.
Adding to 12313245 its reverse (54231321), we get a palindrome (66544566).
The spelling of 12313245 in words is "twelve million, three hundred thirteen thousand, two hundred forty-five".
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