Base | Representation |
---|---|
bin | 111001010001… |
… | …1011000101001 |
3 | 2002111122112021 |
4 | 1302203120221 |
5 | 30141414403 |
6 | 2551344441 |
7 | 513150064 |
oct | 162433051 |
9 | 62448467 |
10 | 30029353 |
11 | 15a50552 |
12 | a082121 |
13 | 62b5463 |
14 | 3db98db |
15 | 29828bd |
hex | 1ca3629 |
30029353 has 4 divisors (see below), whose sum is σ = 30440788. Its totient is φ = 29617920.
The previous prime is 30029303. The next prime is 30029369. The reversal of 30029353 is 35392003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35392003 = 19 ⋅1862737.
It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 9162729 = 4568^2 + 3027^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30029353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30029303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205608 + ... + 205753.
It is an arithmetic number, because the mean of its divisors is an integer number (7610197).
Almost surely, 230029353 is an apocalyptic number.
It is an amenable number.
30029353 is a deficient number, since it is larger than the sum of its proper divisors (411435).
30029353 is an equidigital number, since it uses as much as digits as its factorization.
30029353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411434.
The product of its (nonzero) digits is 2430, while the sum is 25.
The square root of 30029353 is about 5479.9044699703. The cubic root of 30029353 is about 310.8245582236.
The spelling of 30029353 in words is "thirty million, twenty-nine thousand, three hundred fifty-three".
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