Base | Representation |
---|---|
bin | 1111111100110… |
… | …11011100011000 |
3 | 100022210001010011 |
4 | 13332123130120 |
5 | 233223241343 |
6 | 21135531304 |
7 | 3213221341 |
oct | 776333430 |
9 | 308701104 |
10 | 133805848 |
11 | 69591350 |
12 | 38989b34 |
13 | 2194bb77 |
14 | 13ab10c8 |
15 | bb3129d |
hex | 7f9b718 |
133805848 has 32 divisors (see below), whose sum is σ = 275688000. Its totient is φ = 60377760.
The previous prime is 133805843. The next prime is 133805849. The reversal of 133805848 is 848508331.
It is a self number, because there is not a number n which added to its sum of digits gives 133805848.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133805843) 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, 6763 + ... + 17701.
It is an arithmetic number, because the mean of its divisors is an integer number (8615250).
Almost surely, 2133805848 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 133805848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137844000).
133805848 is an abundant number, since it is smaller than the sum of its proper divisors (141882152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133805848 is a wasteful number, since it uses less digits than its factorization.
133805848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11095 (or 11091 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The square root of 133805848 is about 11567.4477738177. The cubic root of 133805848 is about 511.4757308477.
The spelling of 133805848 in words is "one hundred thirty-three million, eight hundred five thousand, eight hundred forty-eight".
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