Base | Representation |
---|---|
bin | 110001110000… |
… | …001010101001 |
3 | 220112121201211 |
4 | 301300022221 |
5 | 11314323340 |
6 | 1143313121 |
7 | 215600221 |
oct | 61601251 |
9 | 26477654 |
10 | 13042345 |
11 | 73a89a8 |
12 | 444b7a1 |
13 | 2918584 |
14 | 1a37081 |
15 | 12295ea |
hex | c702a9 |
13042345 has 8 divisors (see below), whose sum is σ = 15871680. Its totient is φ = 10286640.
The previous prime is 13042339. The next prime is 13042409. The reversal of 13042345 is 54324031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13042345 - 25 = 13042313 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18015 + ... + 18724.
It is an arithmetic number, because the mean of its divisors is an integer number (1983960).
Almost surely, 213042345 is an apocalyptic number.
It is an amenable number.
13042345 is a deficient number, since it is larger than the sum of its proper divisors (2829335).
13042345 is an equidigital number, since it uses as much as digits as its factorization.
13042345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36815.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 13042345 is about 3611.4186963021. The cubic root of 13042345 is about 235.3884927605.
Adding to 13042345 its reverse (54324031), we get a palindrome (67366376).
The spelling of 13042345 in words is "thirteen million, forty-two thousand, three hundred forty-five".
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