Base | Representation |
---|---|
bin | 111010100000… |
… | …1011100000111 |
3 | 2010201112120200 |
4 | 1311001130013 |
5 | 30323123433 |
6 | 3013301543 |
7 | 521514366 |
oct | 165013407 |
9 | 63645520 |
10 | 30676743 |
11 | 16352989 |
12 | a3348b3 |
13 | 6481026 |
14 | 41077dd |
15 | 2a5e613 |
hex | 1d41707 |
30676743 has 6 divisors (see below), whose sum is σ = 44310864. Its totient is φ = 20451156.
The previous prime is 30676741. The next prime is 30676747. The reversal of 30676743 is 34767603.
It is not a de Polignac number, because 30676743 - 21 = 30676741 is a prime.
It is a super-2 number, since 2×306767432 = 1882125122176098, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30676698 and 30676707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30676741) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1704255 + ... + 1704272.
It is an arithmetic number, because the mean of its divisors is an integer number (7385144).
Almost surely, 230676743 is an apocalyptic number.
30676743 is a deficient number, since it is larger than the sum of its proper divisors (13634121).
30676743 is a wasteful number, since it uses less digits than its factorization.
30676743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3408533 (or 3408530 counting only the distinct ones).
The product of its (nonzero) digits is 63504, while the sum is 36.
The square root of 30676743 is about 5538.6589532124. The cubic root of 30676743 is about 313.0423410008.
The spelling of 30676743 in words is "thirty million, six hundred seventy-six thousand, seven hundred forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •