Base | Representation |
---|---|
bin | 111010100011… |
… | …0010100100111 |
3 | 2010202120000102 |
4 | 1311012110213 |
5 | 30324243433 |
6 | 3013534315 |
7 | 521626610 |
oct | 165062447 |
9 | 63676012 |
10 | 30696743 |
11 | 16366a10 |
12 | a34439b |
13 | 648a16c |
14 | 4110c07 |
15 | 2a654e8 |
hex | 1d46527 |
30696743 has 16 divisors (see below), whose sum is σ = 39937536. Its totient is φ = 22878240.
The previous prime is 30696739. The next prime is 30696751. The reversal of 30696743 is 34769603.
It is a happy number.
It is not a de Polignac number, because 30696743 - 22 = 30696739 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30696697 and 30696706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30696143) 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 15 ways as a sum of consecutive naturals, for example, 6896 + ... + 10437.
It is an arithmetic number, because the mean of its divisors is an integer number (2496096).
Almost surely, 230696743 is an apocalyptic number.
30696743 is a deficient number, since it is larger than the sum of its proper divisors (9240793).
30696743 is a wasteful number, since it uses less digits than its factorization.
30696743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17374.
The product of its (nonzero) digits is 81648, while the sum is 38.
The square root of 30696743 is about 5540.4641502315. The cubic root of 30696743 is about 313.1103565515.
The spelling of 30696743 in words is "thirty million, six hundred ninety-six thousand, seven hundred forty-three".
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