Base | Representation |
---|---|
bin | 111010110101… |
… | …1011110101010 |
3 | 2011001021210021 |
4 | 1311223132222 |
5 | 30344131223 |
6 | 3021111054 |
7 | 523132411 |
oct | 165533652 |
9 | 64037707 |
10 | 30848938 |
11 | 1646029a |
12 | a3b848a |
13 | 6511513 |
14 | 4150478 |
15 | 2a9565d |
hex | 1d6b7aa |
30848938 has 8 divisors (see below), whose sum is σ = 46297188. Its totient is φ = 15416544.
The previous prime is 30848929. The next prime is 30848971. The reversal of 30848938 is 83984803.
It can be written as a sum of positive squares in 2 ways, for example, as 28547649 + 2301289 = 5343^2 + 1517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30848894 and 30848903.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4620 + ... + 9112.
Almost surely, 230848938 is an apocalyptic number.
30848938 is a deficient number, since it is larger than the sum of its proper divisors (15448250).
30848938 is a wasteful number, since it uses less digits than its factorization.
30848938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7928.
The product of its (nonzero) digits is 165888, while the sum is 43.
The square root of 30848938 is about 5554.1820279858. The cubic root of 30848938 is about 313.6269726058.
The spelling of 30848938 in words is "thirty million, eight hundred forty-eight thousand, nine hundred thirty-eight".
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