Base | Representation |
---|---|
bin | 110000001001… |
… | …110110000001 |
3 | 212202022211011 |
4 | 300021312001 |
5 | 11212420413 |
6 | 1130320521 |
7 | 212203300 |
oct | 60116601 |
9 | 25668734 |
10 | 12623233 |
11 | 7142027 |
12 | 4289141 |
13 | 27cc88c |
14 | 1968437 |
15 | 119533d |
hex | c09d81 |
12623233 has 12 divisors (see below), whose sum is σ = 14889540. Its totient is φ = 10668672.
The previous prime is 12623189. The next prime is 12623287. The reversal of 12623233 is 33232621.
It can be written as a sum of positive squares in 2 ways, for example, as 3814209 + 8809024 = 1953^2 + 2968^2 .
It is a de Polignac number, because none of the positive numbers 2k-12623233 is a prime.
It is a super-2 number, since 2×126232332 = 318692022744578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12624233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1813 + ... + 5341.
It is an arithmetic number, because the mean of its divisors is an integer number (1240795).
Almost surely, 212623233 is an apocalyptic number.
It is an amenable number.
12623233 is a deficient number, since it is larger than the sum of its proper divisors (2266307).
12623233 is an equidigital number, since it uses as much as digits as its factorization.
12623233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3616 (or 3609 counting only the distinct ones).
The product of its digits is 1296, while the sum is 22.
The square root of 12623233 is about 3552.9189408147. The cubic root of 12623233 is about 232.8396116018.
Adding to 12623233 its reverse (33232621), we get a palindrome (45855854).
The spelling of 12623233 in words is "twelve million, six hundred twenty-three thousand, two hundred thirty-three".
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