Base | Representation |
---|---|
bin | 100110010010… |
… | …0111101111001 |
3 | 1101202212211212 |
4 | 1030210331321 |
5 | 20114334421 |
6 | 1554132505 |
7 | 332425556 |
oct | 114447571 |
9 | 41685755 |
10 | 20074361 |
11 | 1037118a |
12 | 6881135 |
13 | 420b228 |
14 | 2947a2d |
15 | 1b67e5b |
hex | 1324f79 |
20074361 has 2 divisors, whose sum is σ = 20074362. Its totient is φ = 20074360.
The previous prime is 20074357. The next prime is 20074363. The reversal of 20074361 is 16347002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19971961 + 102400 = 4469^2 + 320^2 .
It is a cyclic number.
It is not a de Polignac number, because 20074361 - 22 = 20074357 is a prime.
Together with 20074363, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p1275062 and since 20074361 and 1275062 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (20074363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037180 + 10037181.
It is an arithmetic number, because the mean of its divisors is an integer number (10037181).
Almost surely, 220074361 is an apocalyptic number.
It is an amenable number.
20074361 is a deficient number, since it is larger than the sum of its proper divisors (1).
20074361 is an equidigital number, since it uses as much as digits as its factorization.
20074361 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 20074361 is about 4480.4420540835. The cubic root of 20074361 is about 271.7777569345. Note that the first 4 decimals are identical.
The spelling of 20074361 in words is "twenty million, seventy-four thousand, three hundred sixty-one".
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