Base | Representation |
---|---|
bin | 111001111000… |
… | …1101000001001 |
3 | 2010002221010220 |
4 | 1303301220021 |
5 | 30232143313 |
6 | 3002300253 |
7 | 515653323 |
oct | 163615011 |
9 | 63087126 |
10 | 30349833 |
11 | 1614a308 |
12 | a1b7689 |
13 | 63982a7 |
14 | 4060613 |
15 | 29e7823 |
hex | 1cf1a09 |
30349833 has 8 divisors (see below), whose sum is σ = 40492128. Its totient is φ = 20220384.
The previous prime is 30349831. The next prime is 30349841. The reversal of 30349833 is 33894303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30349833 - 21 = 30349831 is a prime.
It is a super-2 number, since 2×303498332 = 1842224726255778, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30349794 and 30349803.
It is not an unprimeable number, because it can be changed into a prime (30349831) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6510 + ... + 10152.
It is an arithmetic number, because the mean of its divisors is an integer number (5061516).
Almost surely, 230349833 is an apocalyptic number.
It is an amenable number.
30349833 is a deficient number, since it is larger than the sum of its proper divisors (10142295).
30349833 is a wasteful number, since it uses less digits than its factorization.
30349833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6423.
The product of its (nonzero) digits is 23328, while the sum is 33.
The square root of 30349833 is about 5509.0682515286. The cubic root of 30349833 is about 311.9263776814.
The spelling of 30349833 in words is "thirty million, three hundred forty-nine thousand, eight hundred thirty-three".
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