Base | Representation |
---|---|
bin | 111010110010… |
… | …1111100000011 |
3 | 2011000010122201 |
4 | 1311211330003 |
5 | 30342414433 |
6 | 3020414031 |
7 | 523006300 |
oct | 165457403 |
9 | 64003581 |
10 | 30826243 |
11 | 16445238 |
12 | a3a7317 |
13 | 65040a6 |
14 | 41460a7 |
15 | 2a8da7d |
hex | 1d65f03 |
30826243 has 12 divisors (see below), whose sum is σ = 35951952. Its totient is φ = 26354160.
The previous prime is 30826241. The next prime is 30826247. The reversal of 30826243 is 34262803.
It is not a de Polignac number, because 30826243 - 21 = 30826241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30826241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30421 + ... + 31417.
It is an arithmetic number, because the mean of its divisors is an integer number (2995996).
Almost surely, 230826243 is an apocalyptic number.
30826243 is a deficient number, since it is larger than the sum of its proper divisors (5125709).
30826243 is an equidigital number, since it uses as much as digits as its factorization.
30826243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1642 (or 1635 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 30826243 is about 5552.1385969732. The cubic root of 30826243 is about 313.5500438601.
The spelling of 30826243 in words is "thirty million, eight hundred twenty-six thousand, two hundred forty-three".
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