Base | Representation |
---|---|
bin | 111001010010… |
… | …0010111111000 |
3 | 2002111212002011 |
4 | 1302210113320 |
5 | 30142032100 |
6 | 2551415304 |
7 | 513164635 |
oct | 162442770 |
9 | 62455064 |
10 | 30033400 |
11 | 15a535a1 |
12 | a084534 |
13 | 62b7257 |
14 | 3dbb18c |
15 | 2983bba |
hex | 1ca45f8 |
30033400 has 48 divisors (see below), whose sum is σ = 72874800. Its totient is φ = 11489280.
The previous prime is 30033397. The next prime is 30033401. The reversal of 30033400 is 433003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30033401) 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 11 ways as a sum of consecutive naturals, for example, 1336 + ... + 7864.
It is an arithmetic number, because the mean of its divisors is an integer number (1518225).
Almost surely, 230033400 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30033400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36437400).
30033400 is an abundant number, since it is smaller than the sum of its proper divisors (42841400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033400 is a wasteful number, since it uses less digits than its factorization.
30033400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6568 (or 6559 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 13.
The square root of 30033400 is about 5480.2737157919. The cubic root of 30033400 is about 310.8385206787.
Adding to 30033400 its reverse (433003), we get a palindrome (30466403).
The spelling of 30033400 in words is "thirty million, thirty-three thousand, four hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •