Base | Representation |
---|---|
bin | 111000001000… |
… | …1010010100101 |
3 | 2001101020200011 |
4 | 1300101102211 |
5 | 30013242244 |
6 | 2530450221 |
7 | 505105342 |
oct | 160212245 |
9 | 61336604 |
10 | 29430949 |
11 | 156819a9 |
12 | 9a33971 |
13 | 6135c82 |
14 | 3ca17c9 |
15 | 28b5434 |
hex | 1c114a5 |
29430949 has 2 divisors, whose sum is σ = 29430950. Its totient is φ = 29430948.
The previous prime is 29430937. The next prime is 29430959. The reversal of 29430949 is 94903492.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29430625 + 324 = 5425^2 + 18^2 .
It is a cyclic number.
It is not a de Polignac number, because 29430949 - 25 = 29430917 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29430959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14715474 + 14715475.
It is an arithmetic number, because the mean of its divisors is an integer number (14715475).
Almost surely, 229430949 is an apocalyptic number.
It is an amenable number.
29430949 is a deficient number, since it is larger than the sum of its proper divisors (1).
29430949 is an equidigital number, since it uses as much as digits as its factorization.
29430949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69984, while the sum is 40.
The square root of 29430949 is about 5425.0298616690. The cubic root of 29430949 is about 308.7460585093.
The spelling of 29430949 in words is "twenty-nine million, four hundred thirty thousand, nine hundred forty-nine".
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