Base | Representation |
---|---|
bin | 101110111011… |
… | …101010101100 |
3 | 212011001120102 |
4 | 232323222230 |
5 | 11122144040 |
6 | 1115410232 |
7 | 206400602 |
oct | 56735254 |
9 | 25131512 |
10 | 12303020 |
11 | 6a43494 |
12 | 4153978 |
13 | 2719bc2 |
14 | 18c3872 |
15 | 1130515 |
hex | bbbaac |
12303020 has 12 divisors (see below), whose sum is σ = 25836384. Its totient is φ = 4921200.
The previous prime is 12303017. The next prime is 12303037. The reversal of 12303020 is 2030321.
It is a super-2 number, since 2×123030202 = 302728602240800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12302992 and 12303010.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307556 + ... + 307595.
It is an arithmetic number, because the mean of its divisors is an integer number (2153032).
Almost surely, 212303020 is an apocalyptic number.
12303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12303020 is an abundant number, since it is smaller than the sum of its proper divisors (13533364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303020 is a wasteful number, since it uses less digits than its factorization.
12303020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 615160 (or 615158 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 12303020 is about 3507.5661077163. The cubic root of 12303020 is about 230.8539146183.
Adding to 12303020 its reverse (2030321), we get a palindrome (14333341).
The spelling of 12303020 in words is "twelve million, three hundred three thousand, twenty".
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