Base | Representation |
---|---|
bin | 111001010110… |
… | …1000011010111 |
3 | 2002120122211212 |
4 | 1302231003113 |
5 | 30144201301 |
6 | 2552252035 |
7 | 513403403 |
oct | 162550327 |
9 | 62518755 |
10 | 30068951 |
11 | 15a78280 |
12 | a0a101b |
13 | 62ca4a3 |
14 | 3dca103 |
15 | 298e4bb |
hex | 1cad0d7 |
30068951 has 4 divisors (see below), whose sum is σ = 32802504. Its totient is φ = 27335400.
The previous prime is 30068923. The next prime is 30068953. The reversal of 30068951 is 15986003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30068951 - 210 = 30067927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30068953) 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, 1366760 + ... + 1366781.
It is an arithmetic number, because the mean of its divisors is an integer number (8200626).
Almost surely, 230068951 is an apocalyptic number.
30068951 is a deficient number, since it is larger than the sum of its proper divisors (2733553).
30068951 is a wasteful number, since it uses less digits than its factorization.
30068951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2733552.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 30068951 is about 5483.5162988725. The cubic root of 30068951 is about 310.9611204382.
The spelling of 30068951 in words is "thirty million, sixty-eight thousand, nine hundred fifty-one".
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