Base | Representation |
---|---|
bin | 111001011111… |
… | …1011100001011 |
3 | 2002201111011100 |
4 | 1302333130023 |
5 | 30204104032 |
6 | 2554032443 |
7 | 514136106 |
oct | 162773413 |
9 | 62644140 |
10 | 30144267 |
11 | 1601991a |
12 | a118723 |
13 | 632585a |
14 | 400973d |
15 | 29a697c |
hex | 1cbf70b |
30144267 has 12 divisors (see below), whose sum is σ = 44093920. Its totient is φ = 19841328.
The previous prime is 30144259. The next prime is 30144269. The reversal of 30144267 is 76244103.
It is not a de Polignac number, because 30144267 - 23 = 30144259 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30144267.
It is not an unprimeable number, because it can be changed into a prime (30144269) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20488 + ... + 21909.
Almost surely, 230144267 is an apocalyptic number.
30144267 is a deficient number, since it is larger than the sum of its proper divisors (13949653).
30144267 is a wasteful number, since it uses less digits than its factorization.
30144267 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42482 (or 42479 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 30144267 is about 5490.3794950805. The cubic root of 30144267 is about 311.2205333308.
The spelling of 30144267 in words is "thirty million, one hundred forty-four thousand, two hundred sixty-seven".
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