Base | Representation |
---|---|
bin | 111001110100… |
… | …0110011010100 |
3 | 2010001002120001 |
4 | 1303220303110 |
5 | 30230014214 |
6 | 3001421044 |
7 | 515443042 |
oct | 163506324 |
9 | 63032501 |
10 | 30313684 |
11 | 16125135 |
12 | a19a784 |
13 | 63849bb |
14 | 4051392 |
15 | 29dbc74 |
hex | 1ce8cd4 |
30313684 has 24 divisors (see below), whose sum is σ = 54448128. Its totient is φ = 14760480.
The previous prime is 30313651. The next prime is 30313687. The reversal of 30313684 is 48631303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313687) 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 7 ways as a sum of consecutive naturals, for example, 71794 + ... + 72214.
It is an arithmetic number, because the mean of its divisors is an integer number (2268672).
Almost surely, 230313684 is an apocalyptic number.
It is an amenable number.
30313684 is a deficient number, since it is larger than the sum of its proper divisors (24134444).
30313684 is a wasteful number, since it uses less digits than its factorization.
30313684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 855 (or 853 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 30313684 is about 5505.7864106774. The cubic root of 30313684 is about 311.8024856610.
Adding to 30313684 its reverse (48631303), we get a palindrome (78944987).
The spelling of 30313684 in words is "thirty million, three hundred thirteen thousand, six hundred eighty-four".
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