Base | Representation |
---|---|
bin | 111010000001… |
… | …1100100100101 |
3 | 2010020122222010 |
4 | 1310003210211 |
5 | 30242021313 |
6 | 3004024433 |
7 | 516410523 |
oct | 164034445 |
9 | 63218863 |
10 | 30423333 |
11 | 1619a556 |
12 | a232119 |
13 | 63c2895 |
14 | 407d313 |
15 | 2a0e4c3 |
hex | 1d03925 |
30423333 has 4 divisors (see below), whose sum is σ = 40564448. Its totient is φ = 20282220.
The previous prime is 30423299. The next prime is 30423359. The reversal of 30423333 is 33332403.
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.
It is not a de Polignac number, because 30423333 - 28 = 30423077 is a prime.
It is a Duffinian number.
30423333 is a modest number, since divided by 3333 gives 3042 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30423383) 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, 5070553 + ... + 5070558.
It is an arithmetic number, because the mean of its divisors is an integer number (10141112).
Almost surely, 230423333 is an apocalyptic number.
It is an amenable number.
30423333 is a deficient number, since it is larger than the sum of its proper divisors (10141115).
30423333 is a wasteful number, since it uses less digits than its factorization.
30423333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10141114.
The product of its (nonzero) digits is 1944, while the sum is 21.
The square root of 30423333 is about 5515.7350371460. The cubic root of 30423333 is about 312.1779782537.
Adding to 30423333 its reverse (33332403), we get a palindrome (63755736).
The spelling of 30423333 in words is "thirty million, four hundred twenty-three thousand, three hundred thirty-three".
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