Base | Representation |
---|---|
bin | 100110010001… |
… | …1101110110111 |
3 | 1101202121220112 |
4 | 1030203232313 |
5 | 20114204203 |
6 | 1554053235 |
7 | 332405042 |
oct | 114435667 |
9 | 41677815 |
10 | 20069303 |
11 | 10368401 |
12 | 687a21b |
13 | 4208b37 |
14 | 2945c59 |
15 | 1b666d8 |
hex | 1323bb7 |
20069303 has 2 divisors, whose sum is σ = 20069304. Its totient is φ = 20069302.
The previous prime is 20069251. The next prime is 20069321. The reversal of 20069303 is 30396002.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20069303 - 212 = 20065207 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20069323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034651 + 10034652.
It is an arithmetic number, because the mean of its divisors is an integer number (10034652).
Almost surely, 220069303 is an apocalyptic number.
20069303 is a deficient number, since it is larger than the sum of its proper divisors (1).
20069303 is an equidigital number, since it uses as much as digits as its factorization.
20069303 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 20069303 is about 4479.8775652913. The cubic root of 20069303 is about 271.7549290204.
Subtracting from 20069303 its sum of digits (23), we obtain a triangular number (20069280 = T6335).
The spelling of 20069303 in words is "twenty million, sixty-nine thousand, three hundred three".
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