Base | Representation |
---|---|
bin | 111001011111… |
… | …1011101010011 |
3 | 2002201111021000 |
4 | 1302333131103 |
5 | 30204104324 |
6 | 2554033043 |
7 | 514136241 |
oct | 162773523 |
9 | 62644230 |
10 | 30144339 |
11 | 16019985 |
12 | a118783 |
13 | 63258b4 |
14 | 4009791 |
15 | 29a69c9 |
hex | 1cbf753 |
30144339 has 32 divisors (see below), whose sum is σ = 46080000. Its totient is φ = 19468512.
The previous prime is 30144319. The next prime is 30144341. The reversal of 30144339 is 93344103.
It is not a de Polignac number, because 30144339 - 216 = 30078803 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30144319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202237 + ... + 202385.
It is an arithmetic number, because the mean of its divisors is an integer number (1440000).
Almost surely, 230144339 is an apocalyptic number.
30144339 is a deficient number, since it is larger than the sum of its proper divisors (15935661).
30144339 is a wasteful number, since it uses less digits than its factorization.
30144339 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344 (or 338 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 30144339 is about 5490.3860520004. The cubic root of 30144339 is about 311.2207811155.
The spelling of 30144339 in words is "thirty million, one hundred forty-four thousand, three hundred thirty-nine".
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