Base | Representation |
---|---|
bin | 101111001111… |
… | …001000010110 |
3 | 212022002221002 |
4 | 233033020112 |
5 | 11132221432 |
6 | 1121223302 |
7 | 210152201 |
oct | 57171026 |
9 | 25262832 |
10 | 12382742 |
11 | 6a98379 |
12 | 4191b32 |
13 | 2747288 |
14 | 1904938 |
15 | 1148e62 |
hex | bcf216 |
12382742 has 4 divisors (see below), whose sum is σ = 18574116. Its totient is φ = 6191370.
The previous prime is 12382723. The next prime is 12382757. The reversal of 12382742 is 24728321.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3095684 + ... + 3095687.
It is an arithmetic number, because the mean of its divisors is an integer number (4643529).
Almost surely, 212382742 is an apocalyptic number.
12382742 is a deficient number, since it is larger than the sum of its proper divisors (6191374).
12382742 is an equidigital number, since it uses as much as digits as its factorization.
12382742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6191373.
The product of its digits is 5376, while the sum is 29.
The square root of 12382742 is about 3518.9120477784. The cubic root of 12382742 is about 231.3514760875.
The spelling of 12382742 in words is "twelve million, three hundred eighty-two thousand, seven hundred forty-two".
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