Base | Representation |
---|---|
bin | 111001011110… |
… | …0010100011011 |
3 | 2002200211121212 |
4 | 1302330110123 |
5 | 30203201413 |
6 | 2553453335 |
7 | 514053614 |
oct | 162742433 |
9 | 62624555 |
10 | 30131483 |
11 | 16010258 |
12 | a11124b |
13 | 631caa5 |
14 | 4004c0b |
15 | 29a2ca8 |
hex | 1cbc51b |
30131483 has 2 divisors, whose sum is σ = 30131484. Its totient is φ = 30131482.
The previous prime is 30131471. The next prime is 30131489. The reversal of 30131483 is 38413103.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30131483 - 24 = 30131467 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (30131489) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065741 + 15065742.
It is an arithmetic number, because the mean of its divisors is an integer number (15065742).
Almost surely, 230131483 is an apocalyptic number.
30131483 is a deficient number, since it is larger than the sum of its proper divisors (1).
30131483 is an equidigital number, since it uses as much as digits as its factorization.
30131483 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
The square root of 30131483 is about 5489.2151533712. The cubic root of 30131483 is about 311.1765315325.
Adding to 30131483 its reverse (38413103), we get a palindrome (68544586).
The spelling of 30131483 in words is "thirty million, one hundred thirty-one thousand, four hundred eighty-three".
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