Base | Representation |
---|---|
bin | 111010101011… |
… | …1111011011110 |
3 | 2010220012221111 |
4 | 1311113323132 |
5 | 30334100422 |
6 | 3015252234 |
7 | 522350065 |
oct | 165277336 |
9 | 63805844 |
10 | 30768862 |
11 | 16406113 |
12 | a37a07a |
13 | 64b3c37 |
14 | 412d1dc |
15 | 2a7ba77 |
hex | 1d57ede |
30768862 has 8 divisors (see below), whose sum is σ = 46201896. Its totient is φ = 15368232.
The previous prime is 30768853. The next prime is 30768869. The reversal of 30768862 is 26886703.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30768869) 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, 5568 + ... + 9619.
It is an arithmetic number, because the mean of its divisors is an integer number (5775237).
Almost surely, 230768862 is an apocalyptic number.
30768862 is a deficient number, since it is larger than the sum of its proper divisors (15433034).
30768862 is a wasteful number, since it uses less digits than its factorization.
30768862 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16202.
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 30768862 is about 5546.9687217434. The cubic root of 30768862 is about 313.3553721735.
It can be divided in two parts, 307 and 68862, that added together give a square (69169 = 2632).
The spelling of 30768862 in words is "thirty million, seven hundred sixty-eight thousand, eight hundred sixty-two".
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