Base | Representation |
---|---|
bin | 111001111001… |
… | …1111100100011 |
3 | 2010010102011200 |
4 | 1303303330203 |
5 | 30232444311 |
6 | 3002412243 |
7 | 516023112 |
oct | 163637443 |
9 | 63112150 |
10 | 30359331 |
11 | 16156462 |
12 | a201083 |
13 | 639c702 |
14 | 4063c79 |
15 | 29ea556 |
hex | 1cf3f23 |
30359331 has 12 divisors (see below), whose sum is σ = 46432152. Its totient is φ = 19048896.
The previous prime is 30359327. The next prime is 30359339. The reversal of 30359331 is 13395303.
It is not a de Polignac number, because 30359331 - 22 = 30359327 is a prime.
It is a super-2 number, since 2×303593312 = 1843377957535122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30359295 and 30359304.
It is not an unprimeable number, because it can be changed into a prime (30359339) 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, 99061 + ... + 99366.
It is an arithmetic number, because the mean of its divisors is an integer number (3869346).
Almost surely, 230359331 is an apocalyptic number.
30359331 is a deficient number, since it is larger than the sum of its proper divisors (16072821).
30359331 is a wasteful number, since it uses less digits than its factorization.
30359331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198450 (or 198447 counting only the distinct ones).
The product of its (nonzero) digits is 3645, while the sum is 27.
The square root of 30359331 is about 5509.9302173440. The cubic root of 30359331 is about 311.9589134753.
The spelling of 30359331 in words is "thirty million, three hundred fifty-nine thousand, three hundred thirty-one".
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