Base | Representation |
---|---|
bin | 110010001000… |
… | …100101001000 |
3 | 220201200220111 |
4 | 302020211020 |
5 | 11331023334 |
6 | 1145404104 |
7 | 216464605 |
oct | 62104510 |
9 | 26650814 |
10 | 13142344 |
11 | 7467046 |
12 | 4499634 |
13 | 2951c47 |
14 | 1a616ac |
15 | 1249064 |
hex | c88948 |
13142344 has 16 divisors (see below), whose sum is σ = 24688620. Its totient is φ = 6558720.
The previous prime is 13142333. The next prime is 13142347. The reversal of 13142344 is 44324131.
It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 1322500 = 3438^2 + 1150^2 .
It is not an unprimeable number, because it can be changed into a prime (13142347) 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, 4164 + ... + 6604.
Almost surely, 213142344 is an apocalyptic number.
It is an amenable number.
13142344 is a deficient number, since it is larger than the sum of its proper divisors (11546276).
13142344 is a wasteful number, since it uses less digits than its factorization.
13142344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3120 (or 3116 counting only the distinct ones).
The product of its digits is 1152, while the sum is 22.
The square root of 13142344 is about 3625.2370956946. The cubic root of 13142344 is about 235.9885563732.
Adding to 13142344 its reverse (44324131), we get a palindrome (57466475).
The spelling of 13142344 in words is "thirteen million, one hundred forty-two thousand, three hundred forty-four".
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