Base | Representation |
---|---|
bin | 111010000010… |
… | …0011001100011 |
3 | 2010020211121200 |
4 | 1310010121203 |
5 | 30242123343 |
6 | 3004052243 |
7 | 516423435 |
oct | 164043143 |
9 | 63224550 |
10 | 30426723 |
11 | 161a2058 |
12 | a234083 |
13 | 63c42a2 |
14 | 4080655 |
15 | 2a104d3 |
hex | 1d04663 |
30426723 has 12 divisors (see below), whose sum is σ = 45860880. Its totient is φ = 19402416.
The previous prime is 30426709. The next prime is 30426727. The reversal of 30426723 is 32762403.
It is not a de Polignac number, because 30426723 - 24 = 30426707 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30426727) 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 11 ways as a sum of consecutive naturals, for example, 73288 + ... + 73701.
It is an arithmetic number, because the mean of its divisors is an integer number (3821740).
Almost surely, 230426723 is an apocalyptic number.
30426723 is a deficient number, since it is larger than the sum of its proper divisors (15434157).
30426723 is a wasteful number, since it uses less digits than its factorization.
30426723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147018 (or 147015 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 27.
The square root of 30426723 is about 5516.0423312371. The cubic root of 30426723 is about 312.1895729075.
The spelling of 30426723 in words is "thirty million, four hundred twenty-six thousand, seven hundred twenty-three".
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