Base | Representation |
---|---|
bin | 111001010000… |
… | …1110001110000 |
3 | 2002111022111101 |
4 | 1302201301300 |
5 | 30141212033 |
6 | 2551254144 |
7 | 513121636 |
oct | 162416160 |
9 | 62438441 |
10 | 30022768 |
11 | 15a46606 |
12 | a07a354 |
13 | 62b2469 |
14 | 3db7356 |
15 | 298097d |
hex | 1ca1c70 |
30022768 has 20 divisors (see below), whose sum is σ = 58451368. Its totient is φ = 14938560.
The previous prime is 30022763. The next prime is 30022781. The reversal of 30022768 is 86722003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30022763) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071 + ... + 7822.
Almost surely, 230022768 is an apocalyptic number.
It is an amenable number.
30022768 is a deficient number, since it is larger than the sum of its proper divisors (28428600).
30022768 is a wasteful number, since it uses less digits than its factorization.
30022768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9112 (or 9106 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 30022768 is about 5479.3036053864. The cubic root of 30022768 is about 310.8018367956.
The spelling of 30022768 in words is "thirty million, twenty-two thousand, seven hundred sixty-eight".
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