Base | Representation |
---|---|
bin | 110010100010… |
… | …001101110101 |
3 | 220221000221120 |
4 | 302202031311 |
5 | 11342403344 |
6 | 1151534153 |
7 | 220413003 |
oct | 62421565 |
9 | 26830846 |
10 | 13247349 |
11 | 7528a25 |
12 | 452a359 |
13 | 298a98b |
14 | 1a8ba73 |
15 | 126a219 |
hex | ca2375 |
13247349 has 8 divisors (see below), whose sum is σ = 17828640. Its totient is φ = 8748816.
The previous prime is 13247347. The next prime is 13247359. The reversal of 13247349 is 94374231.
13247349 is digitally balanced in base 2 and base 4, because in such bases 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 not a de Polignac number, because 13247349 - 21 = 13247347 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13247347) 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, 20314 + ... + 20955.
It is an arithmetic number, because the mean of its divisors is an integer number (2228580).
Almost surely, 213247349 is an apocalyptic number.
It is an amenable number.
13247349 is a deficient number, since it is larger than the sum of its proper divisors (4581291).
13247349 is a wasteful number, since it uses less digits than its factorization.
13247349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41379.
The product of its digits is 18144, while the sum is 33.
The square root of 13247349 is about 3639.6907835694. The cubic root of 13247349 is about 236.6153921409.
The spelling of 13247349 in words is "thirteen million, two hundred forty-seven thousand, three hundred forty-nine".
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