Base | Representation |
---|---|
bin | 110010101100… |
… | …101011111001 |
3 | 221000012202212 |
4 | 302230223321 |
5 | 11400241413 |
6 | 1152504505 |
7 | 220652015 |
oct | 62545371 |
9 | 27005685 |
10 | 13290233 |
11 | 7558170 |
12 | 454b135 |
13 | 29a4358 |
14 | 1a9d545 |
15 | 1277ca8 |
hex | cacaf9 |
13290233 has 8 divisors (see below), whose sum is σ = 14605920. Its totient is φ = 11992480.
The previous prime is 13290229. The next prime is 13290239. The reversal of 13290233 is 33209231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13290233 - 22 = 13290229 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13290199 and 13290208.
It is not an unprimeable number, because it can be changed into a prime (13290239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903 + ... + 5916.
It is an arithmetic number, because the mean of its divisors is an integer number (1825740).
Almost surely, 213290233 is an apocalyptic number.
It is an amenable number.
13290233 is a deficient number, since it is larger than the sum of its proper divisors (1315687).
13290233 is a wasteful number, since it uses less digits than its factorization.
13290233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8967.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 13290233 is about 3645.5771833826. The cubic root of 13290233 is about 236.8704390161.
Adding to 13290233 its reverse (33209231), we get a palindrome (46499464).
The spelling of 13290233 in words is "thirteen million, two hundred ninety thousand, two hundred thirty-three".
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