Base | Representation |
---|---|
bin | 110010001000… |
… | …101000001011 |
3 | 220201201011201 |
4 | 302020220023 |
5 | 11331030124 |
6 | 1145405031 |
7 | 216465304 |
oct | 62105013 |
9 | 26651151 |
10 | 13142539 |
11 | 7467203 |
12 | 4499777 |
13 | 2952067 |
14 | 1a617ab |
15 | 1249144 |
hex | c88a0b |
13142539 has 8 divisors (see below), whose sum is σ = 13662000. Its totient is φ = 12627552.
The previous prime is 13142537. The next prime is 13142551. The reversal of 13142539 is 93524131.
13142539 is digitally balanced in base 3, 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 13142539 - 21 = 13142537 is a prime.
It is a Duffinian number.
It is a zygodrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (13142537) 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, 5652 + ... + 7630.
It is an arithmetic number, because the mean of its divisors is an integer number (1707750).
Almost surely, 213142539 is an apocalyptic number.
13142539 is a deficient number, since it is larger than the sum of its proper divisors (519461).
13142539 is a wasteful number, since it uses less digits than its factorization.
13142539 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2237.
The product of its digits is 3240, while the sum is 28.
The square root of 13142539 is about 3625.2639903875. The cubic root of 13142539 is about 235.9897235303.
The spelling of 13142539 in words is "thirteen million, one hundred forty-two thousand, five hundred thirty-nine".
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