Base | Representation |
---|---|
bin | 110010001000… |
… | …100101010011 |
3 | 220201200220220 |
4 | 302020211103 |
5 | 11331023410 |
6 | 1145404123 |
7 | 216464622 |
oct | 62104523 |
9 | 26650826 |
10 | 13142355 |
11 | 7467056 |
12 | 4499643 |
13 | 2951c55 |
14 | 1a616b9 |
15 | 1249070 |
hex | c88953 |
13142355 has 16 divisors (see below), whose sum is σ = 21099264. Its totient is φ = 6985440.
The previous prime is 13142351. The next prime is 13142369. The reversal of 13142355 is 55324131.
It is not a de Polignac number, because 13142355 - 22 = 13142351 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13142351) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3642 + ... + 6288.
It is an arithmetic number, because the mean of its divisors is an integer number (1318704).
Almost surely, 213142355 is an apocalyptic number.
13142355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13142355 is a deficient number, since it is larger than the sum of its proper divisors (7956909).
13142355 is a wasteful number, since it uses less digits than its factorization.
13142355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2986.
The product of its digits is 1800, while the sum is 24.
The square root of 13142355 is about 3625.2386128364. The cubic root of 13142355 is about 235.9886222131.
Adding to 13142355 its reverse (55324131), we get a palindrome (68466486).
It can be divided in two parts, 131 and 42355, that added together give a triangular number (42486 = T291).
The spelling of 13142355 in words is "thirteen million, one hundred forty-two thousand, three hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •