Base | Representation |
---|---|
bin | 10111011011101100001011 |
3 | 102120002020120 |
4 | 113123230023 |
5 | 3033031411 |
6 | 335354323 |
7 | 103132560 |
oct | 27335413 |
9 | 12502216 |
10 | 6142731 |
11 | 3516141 |
12 | 20829a3 |
13 | 1370c6a |
14 | b5c867 |
15 | 815106 |
hex | 5dbb0b |
6142731 has 16 divisors (see below), whose sum is σ = 9490944. Its totient is φ = 3461184.
The previous prime is 6142727. The next prime is 6142739. The reversal of 6142731 is 1372416.
It is not a de Polignac number, because 6142731 - 22 = 6142727 is a prime.
It is a super-2 number, since 2×61427312 = 75466288276722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6142739) 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, 471 + ... + 3536.
It is an arithmetic number, because the mean of its divisors is an integer number (593184).
Almost surely, 26142731 is an apocalyptic number.
6142731 is a deficient number, since it is larger than the sum of its proper divisors (3348213).
6142731 is a wasteful number, since it uses less digits than its factorization.
6142731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4090.
The product of its digits is 1008, while the sum is 24.
The square root of 6142731 is about 2478.4533483606. The cubic root of 6142731 is about 183.1416681975.
The spelling of 6142731 in words is "six million, one hundred forty-two thousand, seven hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.128 sec. • engine limits •