Base | Representation |
---|---|
bin | 111001010100… |
… | …1001101110001 |
3 | 2002112212021201 |
4 | 1302221031301 |
5 | 30143200413 |
6 | 2552051201 |
7 | 513306520 |
oct | 162511561 |
9 | 62485251 |
10 | 30053233 |
11 | 15a67491 |
12 | a093b01 |
13 | 62c32a2 |
14 | 3dc44b7 |
15 | 29899dd |
hex | 1ca9371 |
30053233 has 4 divisors (see below), whose sum is σ = 34346560. Its totient is φ = 25759908.
The previous prime is 30053209. The next prime is 30053267. The reversal of 30053233 is 33235003.
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 30053233 - 25 = 30053201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30053233.
It is not an unprimeable number, because it can be changed into a prime (30053293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146653 + ... + 2146666.
It is an arithmetic number, because the mean of its divisors is an integer number (8586640).
Almost surely, 230053233 is an apocalyptic number.
It is an amenable number.
30053233 is a deficient number, since it is larger than the sum of its proper divisors (4293327).
30053233 is an equidigital number, since it uses as much as digits as its factorization.
30053233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4293326.
The product of its (nonzero) digits is 810, while the sum is 19.
The square root of 30053233 is about 5482.0829070710. The cubic root of 30053233 is about 310.9069278949.
Adding to 30053233 its reverse (33235003), we get a palindrome (63288236).
The spelling of 30053233 in words is "thirty million, fifty-three thousand, two hundred thirty-three".
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