Base | Representation |
---|---|
bin | 100111111001… |
… | …0000010111111 |
3 | 1110100120010012 |
4 | 1033302002333 |
5 | 20323224432 |
6 | 2024133435 |
7 | 342524555 |
oct | 117620277 |
9 | 43316105 |
10 | 20914367 |
11 | 10895301 |
12 | 700727b |
13 | 4443686 |
14 | 2ac5bd5 |
15 | 1c81cb2 |
hex | 13f20bf |
20914367 has 8 divisors (see below), whose sum is σ = 21726720. Its totient is φ = 20110680.
The previous prime is 20914363. The next prime is 20914391. The reversal of 20914367 is 76341902.
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 20914367 - 22 = 20914363 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 (20914363) 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, 2984 + ... + 7122.
It is an arithmetic number, because the mean of its divisors is an integer number (2715840).
Almost surely, 220914367 is an apocalyptic number.
20914367 is a deficient number, since it is larger than the sum of its proper divisors (812353).
20914367 is a wasteful number, since it uses less digits than its factorization.
20914367 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4333.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 20914367 is about 4573.2228242236. Note that the first 3 decimals coincide. The cubic root of 20914367 is about 275.5168988858.
The spelling of 20914367 in words is "twenty million, nine hundred fourteen thousand, three hundred sixty-seven".
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