Base | Representation |
---|---|
bin | 111111001101… |
… | …0110110110101 |
3 | 2022100200201221 |
4 | 1332122312311 |
5 | 31440441044 |
6 | 3142150341 |
7 | 551454340 |
oct | 176326665 |
9 | 68320657 |
10 | 33140149 |
11 | 17785759 |
12 | b1223b1 |
13 | 6b34373 |
14 | 4589457 |
15 | 2d99484 |
hex | 1f9adb5 |
33140149 has 8 divisors (see below), whose sum is σ = 38010560. Its totient is φ = 28303776.
The previous prime is 33140117. The next prime is 33140153. The reversal of 33140149 is 94104133.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 33140149 - 25 = 33140117 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33140179) 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, 6384 + ... + 10345.
It is an arithmetic number, because the mean of its divisors is an integer number (4751320).
Almost surely, 233140149 is an apocalyptic number.
It is an amenable number.
33140149 is a deficient number, since it is larger than the sum of its proper divisors (4870411).
33140149 is a wasteful number, since it uses less digits than its factorization.
33140149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17019.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 33140149 is about 5756.7481271982. The cubic root of 33140149 is about 321.2068651679.
The spelling of 33140149 in words is "thirty-three million, one hundred forty thousand, one hundred forty-nine".
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