Base | Representation |
---|---|
bin | 110010111111… |
… | …101010000011 |
3 | 221011011100212 |
4 | 302333222003 |
5 | 11410233224 |
6 | 1154304335 |
7 | 221424404 |
oct | 62775203 |
9 | 27134325 |
10 | 13367939 |
11 | 7600592 |
12 | 45880ab |
13 | 2a00830 |
14 | 1abd9ab |
15 | 1290d0e |
hex | cbfa83 |
13367939 has 4 divisors (see below), whose sum is σ = 14396256. Its totient is φ = 12339624.
The previous prime is 13367929. The next prime is 13367957. The reversal of 13367939 is 93976331.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93976331 = 73 ⋅1287347.
It is a cyclic number.
It is not a de Polignac number, because 13367939 - 24 = 13367923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13367896 and 13367905.
It is not an unprimeable number, because it can be changed into a prime (13367929) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514139 + ... + 514164.
It is an arithmetic number, because the mean of its divisors is an integer number (3599064).
Almost surely, 213367939 is an apocalyptic number.
13367939 is a deficient number, since it is larger than the sum of its proper divisors (1028317).
13367939 is a wasteful number, since it uses less digits than its factorization.
13367939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1028316.
The product of its digits is 91854, while the sum is 41.
The square root of 13367939 is about 3656.2192220927. The cubic root of 13367939 is about 237.3311908464.
The spelling of 13367939 in words is "thirteen million, three hundred sixty-seven thousand, nine hundred thirty-nine".
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