Base | Representation |
---|---|
bin | 111010101110… |
… | …1111011101101 |
3 | 2010221110200021 |
4 | 1311131323231 |
5 | 30340342303 |
6 | 3020002141 |
7 | 522511555 |
oct | 165357355 |
9 | 63843607 |
10 | 30793453 |
11 | 16422639 |
12 | a390351 |
13 | 64c21a2 |
14 | 4138165 |
15 | 2a83ebd |
hex | 1d5deed |
30793453 has 2 divisors, whose sum is σ = 30793454. Its totient is φ = 30793452.
The previous prime is 30793397. The next prime is 30793463. The reversal of 30793453 is 35439703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16670889 + 14122564 = 4083^2 + 3758^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30793453 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30793463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15396726 + 15396727.
It is an arithmetic number, because the mean of its divisors is an integer number (15396727).
Almost surely, 230793453 is an apocalyptic number.
It is an amenable number.
30793453 is a deficient number, since it is larger than the sum of its proper divisors (1).
30793453 is an equidigital number, since it uses as much as digits as its factorization.
30793453 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34020, while the sum is 34.
The square root of 30793453 is about 5549.1848950995. The cubic root of 30793453 is about 313.4388295989.
The spelling of 30793453 in words is "thirty million, seven hundred ninety-three thousand, four hundred fifty-three".
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