Base | Representation |
---|---|
bin | 111111001100… |
… | …0100110000000 |
3 | 2022100020000122 |
4 | 1332120212000 |
5 | 31440142010 |
6 | 3142035412 |
7 | 551415326 |
oct | 176304600 |
9 | 68306018 |
10 | 33130880 |
11 | 177797a2 |
12 | b118b68 |
13 | 6b30093 |
14 | 4585d16 |
15 | 2d96855 |
hex | 1f98980 |
33130880 has 32 divisors (see below), whose sum is σ = 79205040. Its totient is φ = 13252096.
The previous prime is 33130859. The next prime is 33130901. The reversal of 33130880 is 8803133.
It is an interprime number because it is at equal distance from previous prime (33130859) and next prime (33130901).
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25244 + ... + 26523.
Almost surely, 233130880 is an apocalyptic number.
It is an amenable number.
33130880 is an abundant number, since it is smaller than the sum of its proper divisors (46074160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33130880 is an equidigital number, since it uses as much as digits as its factorization.
33130880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51786 (or 51774 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 33130880 is about 5755.9430157012. The cubic root of 33130880 is about 321.1769161570.
The spelling of 33130880 in words is "thirty-three million, one hundred thirty thousand, eight hundred eighty".
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