Base | Representation |
---|---|
bin | 101000010000… |
… | …0100010011100 |
3 | 1110201020100010 |
4 | 1100200202130 |
5 | 20400323141 |
6 | 2032203220 |
7 | 344250006 |
oct | 120404234 |
9 | 43636303 |
10 | 21104796 |
11 | 10a05389 |
12 | 7099510 |
13 | 44ac25b |
14 | 2b35376 |
15 | 1cbd416 |
hex | 142089c |
21104796 has 24 divisors (see below), whose sum is σ = 49366800. Its totient is φ = 7017472.
The previous prime is 21104773. The next prime is 21104819. The reversal of 21104796 is 69740112.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (21104773) and next prime (21104819).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430 + ... + 7346.
It is an arithmetic number, because the mean of its divisors is an integer number (2056950).
Almost surely, 221104796 is an apocalyptic number.
It is an amenable number.
21104796 is an abundant number, since it is smaller than the sum of its proper divisors (28262004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21104796 is a wasteful number, since it uses less digits than its factorization.
21104796 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4373 (or 4371 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 21104796 is about 4593.9956464934. The cubic root of 21104796 is about 276.3505836848.
It can be divided in two parts, 2110479 and 6, that added together give a triangular number (2110485 = T2054).
The spelling of 21104796 in words is "twenty-one million, one hundred four thousand, seven hundred ninety-six".
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