Base | Representation |
---|---|
bin | 110010100111… |
… | …110110110001 |
3 | 220222012122010 |
4 | 302213312301 |
5 | 11344123244 |
6 | 1152233133 |
7 | 220540233 |
oct | 62476661 |
9 | 26865563 |
10 | 13270449 |
11 | 7544315 |
12 | 453b7a9 |
13 | 299834a |
14 | 1a96253 |
15 | 1271eb9 |
hex | ca7db1 |
13270449 has 12 divisors (see below), whose sum is σ = 18287088. Its totient is φ = 8559720.
The previous prime is 13270441. The next prime is 13270483. The reversal of 13270449 is 94407231.
It is a happy number.
It is not a de Polignac number, because 13270449 - 23 = 13270441 is a prime.
It is a super-2 number, since 2×132704492 = 352209633323202, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13270441) 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, 582 + ... + 5184.
It is an arithmetic number, because the mean of its divisors is an integer number (1523924).
Almost surely, 213270449 is an apocalyptic number.
It is an amenable number.
13270449 is a deficient number, since it is larger than the sum of its proper divisors (5016639).
13270449 is an equidigital number, since it uses as much as digits as its factorization.
13270449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4668 (or 4637 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 13270449 is about 3642.8627478948. The cubic root of 13270449 is about 236.7528445886.
The spelling of 13270449 in words is "thirteen million, two hundred seventy thousand, four hundred forty-nine".
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