Base | Representation |
---|---|
bin | 110010001000… |
… | …100101000111 |
3 | 220201200220110 |
4 | 302020211013 |
5 | 11331023333 |
6 | 1145404103 |
7 | 216464604 |
oct | 62104507 |
9 | 26650813 |
10 | 13142343 |
11 | 7467045 |
12 | 4499633 |
13 | 2951c46 |
14 | 1a616ab |
15 | 1249063 |
hex | c88947 |
13142343 has 16 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 8213376.
The previous prime is 13142333. The next prime is 13142347. The reversal of 13142343 is 34324131.
It is not a de Polignac number, because 13142343 - 26 = 13142279 is a prime.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 22096 + ... + 22682.
It is an arithmetic number, because the mean of its divisors is an integer number (1164240).
Almost surely, 213142343 is an apocalyptic number.
13142343 is a deficient number, since it is larger than the sum of its proper divisors (5485497).
13142343 is a wasteful number, since it uses less digits than its factorization.
13142343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046.
The product of its digits is 864, while the sum is 21.
The square root of 13142343 is about 3625.2369577726. The cubic root of 13142343 is about 235.9885503877.
Adding to 13142343 its reverse (34324131), we get a palindrome (47466474).
The spelling of 13142343 in words is "thirteen million, one hundred forty-two thousand, three hundred forty-three".
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