Base | Representation |
---|---|
bin | 111010110001… |
… | …0111100111100 |
3 | 2010222111212201 |
4 | 1311202330330 |
5 | 30342022022 |
6 | 3020241244 |
7 | 522625525 |
oct | 165427474 |
9 | 63874781 |
10 | 30814012 |
11 | 16437029 |
12 | a3a0224 |
13 | 64cb658 |
14 | 414184c |
15 | 2a8a127 |
hex | 1d62f3c |
30814012 has 12 divisors (see below), whose sum is σ = 54052096. Its totient is φ = 15370560.
The previous prime is 30813977. The next prime is 30814033. The reversal of 30814012 is 21041803.
It is a super-2 number, since 2×308140122 = 1899006671072288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7164 + ... + 10627.
Almost surely, 230814012 is an apocalyptic number.
It is an amenable number.
30814012 is a deficient number, since it is larger than the sum of its proper divisors (23238084).
30814012 is a wasteful number, since it uses less digits than its factorization.
30814012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18228 (or 18226 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 30814012 is about 5551.0370202332. The cubic root of 30814012 is about 313.5085690480.
Adding to 30814012 its reverse (21041803), we get a palindrome (51855815).
It can be divided in two parts, 3081401 and 2, that added together give a triangular number (3081403 = T2482).
The spelling of 30814012 in words is "thirty million, eight hundred fourteen thousand, twelve".
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