Base | Representation |
---|---|
bin | 111010000010… |
… | …0011011010001 |
3 | 2010020211202202 |
4 | 1310010123101 |
5 | 30242124313 |
6 | 3004052545 |
7 | 516423653 |
oct | 164043321 |
9 | 63224682 |
10 | 30426833 |
11 | 161a2148 |
12 | a234155 |
13 | 63c4358 |
14 | 40806d3 |
15 | 2a10558 |
hex | 1d046d1 |
30426833 has 4 divisors (see below), whose sum is σ = 30571248. Its totient is φ = 30282420.
The previous prime is 30426817. The next prime is 30426857. The reversal of 30426833 is 33862403.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33862403 = 67 ⋅505409.
It is a cyclic number.
It is not a de Polignac number, because 30426833 - 24 = 30426817 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30426796 and 30426805.
It is not an unprimeable number, because it can be changed into a prime (30426883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71891 + ... + 72312.
It is an arithmetic number, because the mean of its divisors is an integer number (7642812).
Almost surely, 230426833 is an apocalyptic number.
It is an amenable number.
30426833 is a deficient number, since it is larger than the sum of its proper divisors (144415).
30426833 is a wasteful number, since it uses less digits than its factorization.
30426833 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144414.
The product of its (nonzero) digits is 10368, while the sum is 29.
The square root of 30426833 is about 5516.0523021451. The cubic root of 30426833 is about 312.1899491208.
The spelling of 30426833 in words is "thirty million, four hundred twenty-six thousand, eight hundred thirty-three".
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