Base | Representation |
---|---|
bin | 1111111000010… |
… | …00010001010110 |
3 | 100021122102012120 |
4 | 13330020101112 |
5 | 233044444110 |
6 | 21115000410 |
7 | 3205131012 |
oct | 774102126 |
9 | 307572176 |
10 | 133203030 |
11 | 6920a454 |
12 | 38739106 |
13 | 2179a67c |
14 | 13995542 |
15 | ba62870 |
hex | 7f08456 |
133203030 has 32 divisors (see below), whose sum is σ = 319991904. Its totient is φ = 35486976.
The previous prime is 133203023. The next prime is 133203043. The reversal of 133203030 is 30302331.
133203030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 56842 + ... + 59138.
It is an arithmetic number, because the mean of its divisors is an integer number (9999747).
Almost surely, 2133203030 is an apocalyptic number.
133203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
133203030 is an abundant number, since it is smaller than the sum of its proper divisors (186788874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133203030 is a wasteful number, since it uses less digits than its factorization.
133203030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4240.
The product of its (nonzero) digits is 162, while the sum is 15.
The square root of 133203030 is about 11541.3617047556. The cubic root of 133203030 is about 510.7064795642.
Adding to 133203030 its reverse (30302331), we get a palindrome (163505361).
The spelling of 133203030 in words is "one hundred thirty-three million, two hundred three thousand, thirty".
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