Base | Representation |
---|---|
bin | 110010100010… |
… | …101011000111 |
3 | 220221010111222 |
4 | 302202223013 |
5 | 11342433343 |
6 | 1151550555 |
7 | 220421321 |
oct | 62425307 |
9 | 26833458 |
10 | 13249223 |
11 | 752a379 |
12 | 452b45b |
13 | 298b7a0 |
14 | 1a8c611 |
15 | 126aa68 |
hex | ca2ac7 |
13249223 has 8 divisors (see below), whose sum is σ = 14296800. Its totient is φ = 12205728.
The previous prime is 13249189. The next prime is 13249237. The reversal of 13249223 is 32294231.
13249223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13249223 - 220 = 12200647 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13249192 and 13249201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13249283) 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, 11393 + ... + 12501.
It is an arithmetic number, because the mean of its divisors is an integer number (1787100).
Almost surely, 213249223 is an apocalyptic number.
13249223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
13249223 is a deficient number, since it is larger than the sum of its proper divisors (1047577).
13249223 is a wasteful number, since it uses less digits than its factorization.
13249223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2041.
The product of its digits is 2592, while the sum is 26.
The square root of 13249223 is about 3639.9482139173. The cubic root of 13249223 is about 236.6265489980.
The spelling of 13249223 in words is "thirteen million, two hundred forty-nine thousand, two hundred twenty-three".
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