Base | Representation |
---|---|
bin | 111001101001… |
… | …1101000000101 |
3 | 2002212200120122 |
4 | 1303103220011 |
5 | 30214230244 |
6 | 2555511325 |
7 | 514632134 |
oct | 163235005 |
9 | 62780518 |
10 | 30226949 |
11 | 16075a55 |
12 | a158545 |
13 | 635438c |
14 | 402b91b |
15 | 29c11ee |
hex | 1cd3a05 |
30226949 has 2 divisors, whose sum is σ = 30226950. Its totient is φ = 30226948.
The previous prime is 30226927. The next prime is 30226951. The reversal of 30226949 is 94962203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17850625 + 12376324 = 4225^2 + 3518^2 .
It is a cyclic number.
It is not a de Polignac number, because 30226949 - 216 = 30161413 is a prime.
Together with 30226951, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30226919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15113474 + 15113475.
It is an arithmetic number, because the mean of its divisors is an integer number (15113475).
Almost surely, 230226949 is an apocalyptic number.
It is an amenable number.
30226949 is a deficient number, since it is larger than the sum of its proper divisors (1).
30226949 is an equidigital number, since it uses as much as digits as its factorization.
30226949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23328, while the sum is 35.
The square root of 30226949 is about 5497.9040551832. The cubic root of 30226949 is about 311.5048200582.
The spelling of 30226949 in words is "thirty million, two hundred twenty-six thousand, nine hundred forty-nine".
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