Base | Representation |
---|---|
bin | 11001101110000011010111 |
3 | 110200112121021 |
4 | 121232003113 |
5 | 3211222411 |
6 | 400302011 |
7 | 111210436 |
oct | 31560327 |
9 | 13615537 |
10 | 6742231 |
11 | 38955a1 |
12 | 2311907 |
13 | 1520ab2 |
14 | c7711d |
15 | 8d2a71 |
hex | 66e0d7 |
6742231 has 4 divisors (see below), whose sum is σ = 6837264. Its totient is φ = 6647200.
The previous prime is 6742213. The next prime is 6742237. The reversal of 6742231 is 1322476.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 6742231 - 25 = 6742199 is a prime.
It is a super-2 number, since 2×67422312 = 90915357714722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6742196 and 6742205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6742237) 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, 47410 + ... + 47551.
It is an arithmetic number, because the mean of its divisors is an integer number (1709316).
Almost surely, 26742231 is an apocalyptic number.
6742231 is a deficient number, since it is larger than the sum of its proper divisors (95033).
6742231 is an equidigital number, since it uses as much as digits as its factorization.
6742231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95032.
The product of its digits is 2016, while the sum is 25.
The square root of 6742231 is about 2596.5806361444. The cubic root of 6742231 is about 188.9156235259.
The spelling of 6742231 in words is "six million, seven hundred forty-two thousand, two hundred thirty-one".
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