Base | Representation |
---|---|
bin | 110010001000… |
… | …100000010110 |
3 | 220201200111011 |
4 | 302020200112 |
5 | 11331021123 |
6 | 1145402434 |
7 | 216463660 |
oct | 62104026 |
9 | 26650434 |
10 | 13142038 |
11 | 7466898 |
12 | 449941a |
13 | 2951a70 |
14 | 1a61530 |
15 | 1248e0d |
hex | c88816 |
13142038 has 32 divisors (see below), whose sum is σ = 24466176. Its totient is φ = 5155488.
The previous prime is 13142027. The next prime is 13142057. The reversal of 13142038 is 83024131.
13142038 = 4772 + 4782 + ... + 5282.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29445 + ... + 29887.
It is an arithmetic number, because the mean of its divisors is an integer number (764568).
It is a vampire number, since it can be written as 3101 ⋅ 4238 (with its own digits).
Almost surely, 213142038 is an apocalyptic number.
13142038 is a deficient number, since it is larger than the sum of its proper divisors (11324138).
13142038 is a wasteful number, since it uses less digits than its factorization.
13142038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 13142038 is about 3625.1948913127. The cubic root of 13142038 is about 235.9867248111.
Adding to 13142038 its reverse (83024131), we get a palindrome (96166169).
The spelling of 13142038 in words is "thirteen million, one hundred forty-two thousand, thirty-eight".
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