Base | Representation |
---|---|
bin | 111111001011… |
… | …1000111101010 |
3 | 2022022220202000 |
4 | 1332113013222 |
5 | 31434443332 |
6 | 3141551430 |
7 | 551361612 |
oct | 176270752 |
9 | 68286660 |
10 | 33124842 |
11 | 17775203 |
12 | b115576 |
13 | 6b2a3ca |
14 | 4583a42 |
15 | 2d94b7c |
hex | 1f971ea |
33124842 has 64 divisors (see below), whose sum is σ = 77155200. Its totient is φ = 10523520.
The previous prime is 33124831. The next prime is 33124849. The reversal of 33124842 is 24842133.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (33124849) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117742 + ... + 118022.
It is an arithmetic number, because the mean of its divisors is an integer number (1205550).
Almost surely, 233124842 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 33124842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38577600).
33124842 is an abundant number, since it is smaller than the sum of its proper divisors (44030358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33124842 is a wasteful number, since it uses less digits than its factorization.
33124842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388 (or 382 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 33124842 is about 5755.4184904314. The cubic root of 33124842 is about 321.1574038064.
Adding to 33124842 its reverse (24842133), we get a palindrome (57966975).
The spelling of 33124842 in words is "thirty-three million, one hundred twenty-four thousand, eight hundred forty-two".
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