Base | Representation |
---|---|
bin | 111010100000… |
… | …1001110000001 |
3 | 2010201111100021 |
4 | 1311001032001 |
5 | 30323111331 |
6 | 3013253441 |
7 | 521511640 |
oct | 165011601 |
9 | 63644307 |
10 | 30675841 |
11 | 16352239 |
12 | a334281 |
13 | 64807b1 |
14 | 4107357 |
15 | 2a5e211 |
hex | 1d41381 |
30675841 has 16 divisors (see below), whose sum is σ = 35846784. Its totient is φ = 25709184.
The previous prime is 30675839. The next prime is 30675851. The reversal of 30675841 is 14857603.
It is not a de Polignac number, because 30675841 - 21 = 30675839 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30675797 and 30675806.
It is not an unprimeable number, because it can be changed into a prime (30675851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88230 + ... + 88576.
It is an arithmetic number, because the mean of its divisors is an integer number (2240424).
Almost surely, 230675841 is an apocalyptic number.
It is an amenable number.
30675841 is a deficient number, since it is larger than the sum of its proper divisors (5170943).
30675841 is a wasteful number, since it uses less digits than its factorization.
30675841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 600.
The product of its (nonzero) digits is 20160, while the sum is 34.
The square root of 30675841 is about 5538.5775249607. The cubic root of 30675841 is about 313.0392728029.
The spelling of 30675841 in words is "thirty million, six hundred seventy-five thousand, eight hundred forty-one".
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