Base | Representation |
---|---|
bin | 111001011110… |
… | …0110000001100 |
3 | 2002200221001200 |
4 | 1302330300030 |
5 | 30203231020 |
6 | 2553505500 |
7 | 514062033 |
oct | 162746014 |
9 | 62627050 |
10 | 30133260 |
11 | 16011623 |
12 | a112290 |
13 | 6320841 |
14 | 400571a |
15 | 29a3590 |
hex | 1cbcc0c |
30133260 has 36 divisors (see below), whose sum is σ = 91404768. Its totient is φ = 8035488.
The previous prime is 30133217. The next prime is 30133273. The reversal of 30133260 is 6233103.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83524 + ... + 83883.
Almost surely, 230133260 is an apocalyptic number.
30133260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30133260 is an abundant number, since it is smaller than the sum of its proper divisors (61271508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30133260 is a wasteful number, since it uses less digits than its factorization.
30133260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167422 (or 167417 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 30133260 is about 5489.3770138332. The cubic root of 30133260 is about 311.1826486097.
Adding to 30133260 its reverse (6233103), we get a palindrome (36366363).
The spelling of 30133260 in words is "thirty million, one hundred thirty-three thousand, two hundred sixty".
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