Base | Representation |
---|---|
bin | 111010101000… |
… | …1110001001101 |
3 | 2010211221022221 |
4 | 1311101301031 |
5 | 30332244004 |
6 | 3014535341 |
7 | 522213400 |
oct | 165216115 |
9 | 63757287 |
10 | 30743629 |
11 | 16399164 |
12 | a367551 |
13 | 64a55c7 |
14 | 4123d37 |
15 | 2a74354 |
hex | 1d51c4d |
30743629 has 12 divisors (see below), whose sum is σ = 35866908. Its totient is φ = 26275200.
The previous prime is 30743627. The next prime is 30743641. The reversal of 30743629 is 92634703.
It can be written as a sum of positive squares in 2 ways, for example, as 7414729 + 23328900 = 2723^2 + 4830^2 .
It is not a de Polignac number, because 30743629 - 21 = 30743627 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30743594 and 30743603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30743627) 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 11 ways as a sum of consecutive naturals, for example, 21909 + ... + 23269.
It is an arithmetic number, because the mean of its divisors is an integer number (2988909).
Almost surely, 230743629 is an apocalyptic number.
It is an amenable number.
30743629 is a deficient number, since it is larger than the sum of its proper divisors (5123279).
30743629 is a wasteful number, since it uses less digits than its factorization.
30743629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1836 (or 1829 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 34.
The square root of 30743629 is about 5544.6937697225. The cubic root of 30743629 is about 313.2696896792.
The spelling of 30743629 in words is "thirty million, seven hundred forty-three thousand, six hundred twenty-nine".
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