Base | Representation |
---|---|
bin | 100111101011… |
… | …0010001011111 |
3 | 1110010210001212 |
4 | 1033112101133 |
5 | 20311104412 |
6 | 2021455035 |
7 | 341542112 |
oct | 117262137 |
9 | 43123055 |
10 | 20800607 |
11 | 10817893 |
12 | 6b7147b |
13 | 4403969 |
14 | 2a96579 |
15 | 1c5d222 |
hex | 13d645f |
20800607 has 2 divisors, whose sum is σ = 20800608. Its totient is φ = 20800606.
The previous prime is 20800603. The next prime is 20800631. The reversal of 20800607 is 70600802.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20800607 - 22 = 20800603 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20800601) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10400303 + 10400304.
It is an arithmetic number, because the mean of its divisors is an integer number (10400304).
Almost surely, 220800607 is an apocalyptic number.
20800607 is a deficient number, since it is larger than the sum of its proper divisors (1).
20800607 is an equidigital number, since it uses as much as digits as its factorization.
20800607 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 20800607 is about 4560.7682466883. The cubic root of 20800607 is about 275.0164486029.
The spelling of 20800607 in words is "twenty million, eight hundred thousand, six hundred seven".
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