Base | Representation |
---|---|
bin | 111001100110… |
… | …1100011000001 |
3 | 2002211102102102 |
4 | 1303031203001 |
5 | 30212431144 |
6 | 2555200145 |
7 | 514466423 |
oct | 163154301 |
9 | 62742372 |
10 | 30202049 |
11 | 16059279 |
12 | a146055 |
13 | 6345c47 |
14 | 4022813 |
15 | 29b8b4e |
hex | 1ccd8c1 |
30202049 has 2 divisors, whose sum is σ = 30202050. Its totient is φ = 30202048.
The previous prime is 30202019. The next prime is 30202063. The reversal of 30202049 is 94020203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21160000 + 9042049 = 4600^2 + 3007^2 .
It is an emirp because it is prime and its reverse (94020203) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30202049 - 28 = 30201793 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30202049.
It is not a weakly prime, because it can be changed into another prime (30202009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101024 + 15101025.
It is an arithmetic number, because the mean of its divisors is an integer number (15101025).
Almost surely, 230202049 is an apocalyptic number.
It is an amenable number.
30202049 is a deficient number, since it is larger than the sum of its proper divisors (1).
30202049 is an equidigital number, since it uses as much as digits as its factorization.
30202049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 30202049 is about 5495.6390893144. The cubic root of 30202049 is about 311.4192606364.
The spelling of 30202049 in words is "thirty million, two hundred two thousand, forty-nine".
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