Base | Representation |
---|---|
bin | 111010000010… |
… | …1111011111111 |
3 | 2010021011021000 |
4 | 1310011323333 |
5 | 30242324043 |
6 | 3004141343 |
7 | 516451005 |
oct | 164057377 |
9 | 63234230 |
10 | 30433023 |
11 | 161a6865 |
12 | a237853 |
13 | 63c710a |
14 | 4082a75 |
15 | 2a122d3 |
hex | 1d05eff |
30433023 has 8 divisors (see below), whose sum is σ = 45086000. Its totient is φ = 20288664.
The previous prime is 30433021. The next prime is 30433027. The reversal of 30433023 is 32033403.
It is not a de Polignac number, because 30433023 - 21 = 30433021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30432987 and 30433005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30433021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563548 + ... + 563601.
It is an arithmetic number, because the mean of its divisors is an integer number (5635750).
Almost surely, 230433023 is an apocalyptic number.
30433023 is a deficient number, since it is larger than the sum of its proper divisors (14652977).
30433023 is a wasteful number, since it uses less digits than its factorization.
30433023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1127158 (or 1127152 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
The square root of 30433023 is about 5516.6133632873. The cubic root of 30433023 is about 312.2111182070.
Adding to 30433023 its reverse (32033403), we get a palindrome (62466426).
The spelling of 30433023 in words is "thirty million, four hundred thirty-three thousand, twenty-three".
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