Base | Representation |
---|---|
bin | 111010000100… |
… | …0101101010000 |
3 | 2010021201211012 |
4 | 1310020231100 |
5 | 30243204433 |
6 | 3004310052 |
7 | 516526043 |
oct | 164105520 |
9 | 63251735 |
10 | 30444368 |
11 | 16204339 |
12 | a242328 |
13 | 63cc326 |
14 | 4086c5a |
15 | 2a15848 |
hex | 1d08b50 |
30444368 has 20 divisors (see below), whose sum is σ = 59954868. Its totient is φ = 14972160.
The previous prime is 30444361. The next prime is 30444373. The reversal of 30444368 is 86344403.
It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 23931664 = 2552^2 + 4892^2 .
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30444361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14621 + ... + 16572.
Almost surely, 230444368 is an apocalyptic number.
It is an amenable number.
30444368 is a deficient number, since it is larger than the sum of its proper divisors (29510500).
30444368 is a wasteful number, since it uses less digits than its factorization.
30444368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31262 (or 31256 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
The square root of 30444368 is about 5517.6415251446. The cubic root of 30444368 is about 312.2499093483.
The spelling of 30444368 in words is "thirty million, four hundred forty-four thousand, three hundred sixty-eight".
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