Base | Representation |
---|---|
bin | 111010110011… |
… | …1000010100001 |
3 | 2011000100211202 |
4 | 1311213002201 |
5 | 30343041003 |
6 | 3020450545 |
7 | 523025402 |
oct | 165470241 |
9 | 64010752 |
10 | 30830753 |
11 | 16448668 |
12 | a3a9a55 |
13 | 6506165 |
14 | 41479a9 |
15 | 2a90088 |
hex | 1d670a1 |
30830753 has 2 divisors, whose sum is σ = 30830754. Its totient is φ = 30830752.
The previous prime is 30830743. The next prime is 30830791. The reversal of 30830753 is 35703803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30547729 + 283024 = 5527^2 + 532^2 .
It is a cyclic number.
It is not a de Polignac number, because 30830753 - 28 = 30830497 is a prime.
It is a super-3 number, since 3×308307533 (a number of 23 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (30830743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415376 + 15415377.
It is an arithmetic number, because the mean of its divisors is an integer number (15415377).
Almost surely, 230830753 is an apocalyptic number.
It is an amenable number.
30830753 is a deficient number, since it is larger than the sum of its proper divisors (1).
30830753 is an equidigital number, since it uses as much as digits as its factorization.
30830753 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30830753 is about 5552.5447319225. The cubic root of 30830753 is about 313.5653343139.
The spelling of 30830753 in words is "thirty million, eight hundred thirty thousand, seven hundred fifty-three".
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