Base | Representation |
---|---|
bin | 111010010001… |
… | …0100101001101 |
3 | 2010111010012102 |
4 | 1310202211031 |
5 | 30310102344 |
6 | 3010444445 |
7 | 520450034 |
oct | 164424515 |
9 | 63433172 |
10 | 30550349 |
11 | 16276a25 |
12 | a293725 |
13 | 643863b |
14 | 40b371b |
15 | 2a36e4e |
hex | 1d2294d |
30550349 has 2 divisors, whose sum is σ = 30550350. Its totient is φ = 30550348.
The previous prime is 30550301. The next prime is 30550357. The reversal of 30550349 is 94305503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 30085225 + 465124 = 5485^2 + 682^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30550349 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30570349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15275174 + 15275175.
It is an arithmetic number, because the mean of its divisors is an integer number (15275175).
Almost surely, 230550349 is an apocalyptic number.
It is an amenable number.
30550349 is a deficient number, since it is larger than the sum of its proper divisors (1).
30550349 is an equidigital number, since it uses as much as digits as its factorization.
30550349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8100, while the sum is 29.
The square root of 30550349 is about 5527.2370131920. The cubic root of 30550349 is about 312.6118179048.
The spelling of 30550349 in words is "thirty million, five hundred fifty thousand, three hundred forty-nine".
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