Base | Representation |
---|---|
bin | 111001100000… |
… | …0010110110110 |
3 | 2002201200022102 |
4 | 1303000112312 |
5 | 30204214042 |
6 | 2554102102 |
7 | 514153052 |
oct | 163002666 |
9 | 62650272 |
10 | 30148022 |
11 | 16021723 |
12 | a11a932 |
13 | 6327488 |
14 | 400ac62 |
15 | 29a7b32 |
hex | 1cc05b6 |
30148022 has 16 divisors (see below), whose sum is σ = 47984640. Its totient is φ = 14165928.
The previous prime is 30147989. The next prime is 30148067. The reversal of 30148022 is 22084103.
It is a junction number, because it is equal to n+sod(n) for n = 30147985 and 30148003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703 + ... + 7949.
It is an arithmetic number, because the mean of its divisors is an integer number (2999040).
Almost surely, 230148022 is an apocalyptic number.
30148022 is a deficient number, since it is larger than the sum of its proper divisors (17836618).
30148022 is a wasteful number, since it uses less digits than its factorization.
30148022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6395.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 30148022 is about 5490.7214462218. The cubic root of 30148022 is about 311.2334554627.
The spelling of 30148022 in words is "thirty million, one hundred forty-eight thousand, twenty-two".
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