Base | Representation |
---|---|
bin | 111010111000… |
… | …1110110011001 |
3 | 2011002121120202 |
4 | 1311301312121 |
5 | 30401000113 |
6 | 3021431545 |
7 | 523301450 |
oct | 165616631 |
9 | 64077522 |
10 | 30875033 |
11 | 16478962 |
12 | a40b5b5 |
13 | 6520367 |
14 | 4159b97 |
15 | 2a9d258 |
hex | 1d71d99 |
30875033 has 4 divisors (see below), whose sum is σ = 35285760. Its totient is φ = 26464308.
The previous prime is 30875029. The next prime is 30875051. The reversal of 30875033 is 33057803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30875033 - 22 = 30875029 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30874987 and 30875005.
It is not an unprimeable number, because it can be changed into a prime (30875023) 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, 2205353 + ... + 2205366.
It is an arithmetic number, because the mean of its divisors is an integer number (8821440).
Almost surely, 230875033 is an apocalyptic number.
It is an amenable number.
30875033 is a deficient number, since it is larger than the sum of its proper divisors (4410727).
30875033 is an equidigital number, since it uses as much as digits as its factorization.
30875033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4410726.
The product of its (nonzero) digits is 7560, while the sum is 29.
The square root of 30875033 is about 5556.5306622028. The cubic root of 30875033 is about 313.7153796395.
The spelling of 30875033 in words is "thirty million, eight hundred seventy-five thousand, thirty-three".
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