Base | Representation |
---|---|
bin | 110010000101… |
… | …011010111110 |
3 | 220201001011022 |
4 | 302011122332 |
5 | 11330120111 |
6 | 1145224142 |
7 | 216412103 |
oct | 62053276 |
9 | 26631138 |
10 | 13129406 |
11 | 7458354 |
12 | 4492052 |
13 | 29490a4 |
14 | 1a5aaaa |
15 | 12452db |
hex | c856be |
13129406 has 8 divisors (see below), whose sum is σ = 20852640. Its totient is φ = 6178528.
The previous prime is 13129397. The next prime is 13129409. The reversal of 13129406 is 60492131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13129409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193046 + ... + 193113.
It is an arithmetic number, because the mean of its divisors is an integer number (2606580).
Almost surely, 213129406 is an apocalyptic number.
13129406 is a deficient number, since it is larger than the sum of its proper divisors (7723234).
13129406 is a wasteful number, since it uses less digits than its factorization.
13129406 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 386178.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 13129406 is about 3623.4522212939. The cubic root of 13129406 is about 235.9110911862.
The spelling of 13129406 in words is "thirteen million, one hundred twenty-nine thousand, four hundred six".
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