Base | Representation |
---|---|
bin | 111111001110… |
… | …0110011001101 |
3 | 2022101002122202 |
4 | 1332130303031 |
5 | 31441214414 |
6 | 3142251245 |
7 | 551516501 |
oct | 176346315 |
9 | 68332582 |
10 | 33148109 |
11 | 17790735 |
12 | b126b25 |
13 | 6b37b87 |
14 | 458c301 |
15 | 2d9b9de |
hex | 1f9cccd |
33148109 has 8 divisors (see below), whose sum is σ = 33663168. Its totient is φ = 32637280.
The previous prime is 33148097. The next prime is 33148111. The reversal of 33148109 is 90184133.
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 33148109 - 216 = 33082573 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33148909) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17024 + ... + 18870.
It is an arithmetic number, because the mean of its divisors is an integer number (4207896).
Almost surely, 233148109 is an apocalyptic number.
It is an amenable number.
33148109 is a deficient number, since it is larger than the sum of its proper divisors (515059).
33148109 is a wasteful number, since it uses less digits than its factorization.
33148109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2115.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 33148109 is about 5757.4394482270. The cubic root of 33148109 is about 321.2325802199.
The spelling of 33148109 in words is "thirty-three million, one hundred forty-eight thousand, one hundred nine".
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