Base | Representation |
---|---|
bin | 111001110111… |
… | …0011010101110 |
3 | 2010002021002222 |
4 | 1303232122232 |
5 | 30231233221 |
6 | 3002115342 |
7 | 515600102 |
oct | 163563256 |
9 | 63067088 |
10 | 30336686 |
11 | 16140446 |
12 | a1abb52 |
13 | 6392303 |
14 | 4059902 |
15 | 29e39ab |
hex | 1cee6ae |
30336686 has 12 divisors (see below), whose sum is σ = 45856656. Its totient is φ = 15051960.
The previous prime is 30336661. The next prime is 30336731. The reversal of 30336686 is 68663303.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65291 + ... + 65753.
It is an arithmetic number, because the mean of its divisors is an integer number (3821388).
Almost surely, 230336686 is an apocalyptic number.
30336686 is a deficient number, since it is larger than the sum of its proper divisors (15519970).
30336686 is an equidigital number, since it uses as much as digits as its factorization.
30336686 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 827 (or 646 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 35.
The square root of 30336686 is about 5507.8749078025. The cubic root of 30336686 is about 311.8813308835.
Adding to 30336686 its reverse (68663303), we get a palindrome (98999989).
It can be divided in two parts, 303366 and 86, that multiplied together give a triangular number (26089476 = T7223).
The spelling of 30336686 in words is "thirty million, three hundred thirty-six thousand, six hundred eighty-six".
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