Base | Representation |
---|---|
bin | 110101011010… |
… | …100101100011 |
3 | 222100101212021 |
4 | 311122211203 |
5 | 12041040111 |
6 | 1220042311 |
7 | 230006464 |
oct | 65324543 |
9 | 28311767 |
10 | 14002531 |
11 | 79a4344 |
12 | 4833397 |
13 | 2b9362a |
14 | 1c06d6b |
15 | 1368d71 |
hex | d5a963 |
14002531 has 4 divisors (see below), whose sum is σ = 14211592. Its totient is φ = 13793472.
The previous prime is 14002507. The next prime is 14002553. The reversal of 14002531 is 13520041.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13520041 = 263 ⋅51407.
It is a cyclic number.
It is not a de Polignac number, because 14002531 - 27 = 14002403 is a prime.
It is a super-2 number, since 2×140025312 = 392141748811922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14002501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104430 + ... + 104563.
It is an arithmetic number, because the mean of its divisors is an integer number (3552898).
Almost surely, 214002531 is an apocalyptic number.
14002531 is a deficient number, since it is larger than the sum of its proper divisors (209061).
14002531 is an equidigital number, since it uses as much as digits as its factorization.
14002531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209060.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 14002531 is about 3741.9955905907. The cubic root of 14002531 is about 241.0287495187.
Adding to 14002531 its reverse (13520041), we get a palindrome (27522572).
The spelling of 14002531 in words is "fourteen million, two thousand, five hundred thirty-one".
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