Base | Representation |
---|---|
bin | 101110100110… |
… | …001011111001 |
3 | 211222120212122 |
4 | 232212023321 |
5 | 11111340113 |
6 | 1113451025 |
7 | 205553225 |
oct | 56461371 |
9 | 24876778 |
10 | 12215033 |
11 | 6993376 |
12 | 4110a75 |
13 | 26b8b3c |
14 | 189d785 |
15 | 1114408 |
hex | ba62f9 |
12215033 has 2 divisors, whose sum is σ = 12215034. Its totient is φ = 12215032.
The previous prime is 12214999. The next prime is 12215039. The reversal of 12215033 is 33051221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10291264 + 1923769 = 3208^2 + 1387^2 .
It is a cyclic number.
It is not a de Polignac number, because 12215033 - 212 = 12210937 is a prime.
It is not a weakly prime, because it can be changed into another prime (12215039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107516 + 6107517.
It is an arithmetic number, because the mean of its divisors is an integer number (6107517).
Almost surely, 212215033 is an apocalyptic number.
It is an amenable number.
12215033 is a deficient number, since it is larger than the sum of its proper divisors (1).
12215033 is an equidigital number, since it uses as much as digits as its factorization.
12215033 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 12215033 is about 3495.0011444919. The cubic root of 12215033 is about 230.3022679892.
Adding to 12215033 its reverse (33051221), we get a palindrome (45266254).
The spelling of 12215033 in words is "twelve million, two hundred fifteen thousand, thirty-three".
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