Base | Representation |
---|---|
bin | 111111101111… |
… | …1011001010100 |
3 | 2022212221211112 |
4 | 1333133121110 |
5 | 32023432014 |
6 | 3152154152 |
7 | 554033660 |
oct | 177373124 |
9 | 68787745 |
10 | 33420884 |
11 | 17957672 |
12 | b238958 |
13 | 6c02093 |
14 | 461d8a0 |
15 | 2e0273e |
hex | 1fdf654 |
33420884 has 12 divisors (see below), whose sum is σ = 66841824. Its totient is φ = 14323224.
The previous prime is 33420869. The next prime is 33420889. The reversal of 33420884 is 48802433.
33420884 is an admirable number.
It is a super-2 number, since 2×334208842 = 2233910974682912, which contains 22 as substring.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 33420884.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33420889) 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 3 ways as a sum of consecutive naturals, for example, 596774 + ... + 596829.
It is an arithmetic number, because the mean of its divisors is an integer number (5570152).
Almost surely, 233420884 is an apocalyptic number.
It is an amenable number.
33420884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33420884 is a wasteful number, since it uses less digits than its factorization.
33420884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193614 (or 1193612 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 33420884 is about 5781.0798299280. The cubic root of 33420884 is about 322.1113126724. Note that the first 3 decimals are identical.
The spelling of 33420884 in words is "thirty-three million, four hundred twenty thousand, eight hundred eighty-four".
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