Base | Representation |
---|---|
bin | 111010110101… |
… | …1010101010010 |
3 | 2011001020222001 |
4 | 1311223111102 |
5 | 30344121323 |
6 | 3021104214 |
7 | 523130563 |
oct | 165532522 |
9 | 64036861 |
10 | 30848338 |
11 | 1645a8a4 |
12 | a3b806a |
13 | 6511171 |
14 | 415016a |
15 | 2a953ad |
hex | 1d6b552 |
30848338 has 4 divisors (see below), whose sum is σ = 46272510. Its totient is φ = 15424168.
The previous prime is 30848333. The next prime is 30848339. The reversal of 30848338 is 83384803.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83384803 = 271 ⋅307693.
It can be written as a sum of positive squares in only one way, i.e., 28015849 + 2832489 = 5293^2 + 1683^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30848297 and 30848306.
It is not an unprimeable number, because it can be changed into a prime (30848333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712083 + ... + 7712086.
Almost surely, 230848338 is an apocalyptic number.
30848338 is a deficient number, since it is larger than the sum of its proper divisors (15424172).
30848338 is a wasteful number, since it uses less digits than its factorization.
30848338 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15424171.
The product of its (nonzero) digits is 55296, while the sum is 37.
The square root of 30848338 is about 5554.1280143691. The cubic root of 30848338 is about 313.6249392846.
The spelling of 30848338 in words is "thirty million, eight hundred forty-eight thousand, three hundred thirty-eight".
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