Base | Representation |
---|---|
bin | 110010011010… |
… | …111001000101 |
3 | 220212111210110 |
4 | 302122321011 |
5 | 11340423344 |
6 | 1151143233 |
7 | 220226355 |
oct | 62327105 |
9 | 26774713 |
10 | 13217349 |
11 | 7508432 |
12 | 4514b19 |
13 | 297a122 |
14 | 1a80b65 |
15 | 12613b9 |
hex | c9ae45 |
13217349 has 8 divisors (see below), whose sum is σ = 17752320. Its totient is φ = 8746976.
The previous prime is 13217329. The next prime is 13217363. The reversal of 13217349 is 94371231.
13217349 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 13217349 - 27 = 13217221 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13217329) 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, 15669 + ... + 16490.
It is an arithmetic number, because the mean of its divisors is an integer number (2219040).
Almost surely, 213217349 is an apocalyptic number.
It is an amenable number.
13217349 is a deficient number, since it is larger than the sum of its proper divisors (4534971).
13217349 is a wasteful number, since it uses less digits than its factorization.
13217349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32299.
The product of its digits is 4536, while the sum is 30.
The square root of 13217349 is about 3635.5672184681. The cubic root of 13217349 is about 236.4366437509.
The spelling of 13217349 in words is "thirteen million, two hundred seventeen thousand, three hundred forty-nine".
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