Base | Representation |
---|---|
bin | 1000001000111110111011 |
3 | 11000102020002 |
4 | 20020332323 |
5 | 1021241242 |
6 | 113423215 |
7 | 24065264 |
oct | 10107673 |
9 | 4012202 |
10 | 2133947 |
11 | 12282a2 |
12 | 86ab0b |
13 | 5993ba |
14 | 3d796b |
15 | 2c2432 |
hex | 208fbb |
2133947 has 8 divisors (see below), whose sum is σ = 2319360. Its totient is φ = 1955880.
The previous prime is 2133899. The next prime is 2133949. The reversal of 2133947 is 7493312.
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 2133947 - 212 = 2129851 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 (2133949) 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, 1223 + ... + 2400.
It is an arithmetic number, because the mean of its divisors is an integer number (289920).
22133947 is an apocalyptic number.
2133947 is a deficient number, since it is larger than the sum of its proper divisors (185413).
2133947 is a wasteful number, since it uses less digits than its factorization.
2133947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3673.
The product of its digits is 4536, while the sum is 29.
The square root of 2133947 is about 1460.8035459979. The cubic root of 2133947 is about 128.7442602776.
The spelling of 2133947 in words is "two million, one hundred thirty-three thousand, nine hundred forty-seven".
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