Base | Representation |
---|---|
bin | 1111111001001… |
… | …11010100110110 |
3 | 100021212212200200 |
4 | 13330213110312 |
5 | 233113031410 |
6 | 21121421330 |
7 | 3206200605 |
oct | 774472466 |
9 | 307785620 |
10 | 133330230 |
11 | 69296a80 |
12 | 3879a846 |
13 | 21813537 |
14 | 139c9a3c |
15 | ba8a3c0 |
hex | 7f27536 |
133330230 has 48 divisors (see below), whose sum is σ = 378175824. Its totient is φ = 32322240.
The previous prime is 133330189. The next prime is 133330247. The reversal of 133330230 is 32033331.
133330230 is a `hidden beast` number, since 1 + 333 + 302 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 66349 + ... + 68328.
It is an arithmetic number, because the mean of its divisors is an integer number (7878663).
Almost surely, 2133330230 is an apocalyptic number.
133330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
133330230 is an abundant number, since it is smaller than the sum of its proper divisors (244845594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133330230 is a wasteful number, since it uses less digits than its factorization.
133330230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134701 (or 134698 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 18.
The square root of 133330230 is about 11546.8710047354. The cubic root of 133330230 is about 510.8689913756.
Adding to 133330230 its reverse (32033331), we get a palindrome (165363561).
The spelling of 133330230 in words is "one hundred thirty-three million, three hundred thirty thousand, two hundred thirty".
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