Base | Representation |
---|---|
bin | 110001101011… |
… | …101110001011 |
3 | 220111200202112 |
4 | 301223232023 |
5 | 11313233024 |
6 | 1143052535 |
7 | 215463152 |
oct | 61535613 |
9 | 26450675 |
10 | 13024139 |
11 | 7396257 |
12 | 444114b |
13 | 29101bb |
14 | 1a30599 |
15 | 122400e |
hex | c6bb8b |
13024139 has 8 divisors (see below), whose sum is σ = 13769280. Its totient is φ = 12285000.
The previous prime is 13024133. The next prime is 13024153. The reversal of 13024139 is 93142031.
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 13024139 - 220 = 11975563 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13024133) 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, 3404 + ... + 6134.
It is an arithmetic number, because the mean of its divisors is an integer number (1721160).
Almost surely, 213024139 is an apocalyptic number.
13024139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
13024139 is a deficient number, since it is larger than the sum of its proper divisors (745141).
13024139 is a wasteful number, since it uses less digits than its factorization.
13024139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3001.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 13024139 is about 3608.8971999767. The cubic root of 13024139 is about 235.2789143449.
The spelling of 13024139 in words is "thirteen million, twenty-four thousand, one hundred thirty-nine".
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