Base | Representation |
---|---|
bin | 111111001100… |
… | …0011111010111 |
3 | 2022100012102220 |
4 | 1332120133113 |
5 | 31440133310 |
6 | 3142033423 |
7 | 551414151 |
oct | 176303727 |
9 | 68305386 |
10 | 33130455 |
11 | 17779446 |
12 | b118873 |
13 | 6b2cb27 |
14 | 4585ad1 |
15 | 2d96670 |
hex | 1f987d7 |
33130455 has 8 divisors (see below), whose sum is σ = 53008752. Its totient is φ = 17669568.
The previous prime is 33130453. The next prime is 33130463. The reversal of 33130455 is 55403133.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 33130455 - 21 = 33130453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33130451) 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, 1104334 + ... + 1104363.
It is an arithmetic number, because the mean of its divisors is an integer number (6626094).
Almost surely, 233130455 is an apocalyptic number.
33130455 is a deficient number, since it is larger than the sum of its proper divisors (19878297).
33130455 is a wasteful number, since it uses less digits than its factorization.
33130455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2208705.
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 33130455 is about 5755.9060972188. The cubic root of 33130455 is about 321.1755428081.
Adding to 33130455 its reverse (55403133), we get a palindrome (88533588).
The spelling of 33130455 in words is "thirty-three million, one hundred thirty thousand, four hundred fifty-five".
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