Base | Representation |
---|---|
bin | 111111010111… |
… | …1100101000111 |
3 | 2022112000011201 |
4 | 1332233211013 |
5 | 32001200111 |
6 | 3144043331 |
7 | 552256660 |
oct | 176574507 |
9 | 68460151 |
10 | 33225031 |
11 | 17833504 |
12 | b163547 |
13 | 6b63ba8 |
14 | 45ac367 |
15 | 2db46c1 |
hex | 1faf947 |
33225031 has 8 divisors (see below), whose sum is σ = 38245760. Its totient is φ = 28272888.
The previous prime is 33225013. The next prime is 33225037. The reversal of 33225031 is 13052233.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 33225031 - 25 = 33224999 is a prime.
It is a super-2 number, since 2×332250312 = 2207805369901922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33225037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16101 + ... + 18046.
It is an arithmetic number, because the mean of its divisors is an integer number (4780720).
Almost surely, 233225031 is an apocalyptic number.
33225031 is a deficient number, since it is larger than the sum of its proper divisors (5020729).
33225031 is a wasteful number, since it uses less digits than its factorization.
33225031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34293.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 33225031 is about 5764.1158038332. The cubic root of 33225031 is about 321.4808675216.
Adding to 33225031 its reverse (13052233), we get a palindrome (46277264).
The spelling of 33225031 in words is "thirty-three million, two hundred twenty-five thousand, thirty-one".
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