Base | Representation |
---|---|
bin | 100110010010… |
… | …0111011100011 |
3 | 1101202212122022 |
4 | 1030210323203 |
5 | 20114333321 |
6 | 1554132055 |
7 | 332425253 |
oct | 114447343 |
9 | 41685568 |
10 | 20074211 |
11 | 10371063 |
12 | 688102b |
13 | 420b141 |
14 | 2947963 |
15 | 1b67dab |
hex | 1324ee3 |
20074211 has 4 divisors (see below), whose sum is σ = 20085024. Its totient is φ = 20063400.
The previous prime is 20074207. The next prime is 20074253. The reversal of 20074211 is 11247002.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 20074211 - 22 = 20074207 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20074211.
It is not an unprimeable number, because it can be changed into a prime (20074511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835 + ... + 6596.
It is an arithmetic number, because the mean of its divisors is an integer number (5021256).
Almost surely, 220074211 is an apocalyptic number.
20074211 is a deficient number, since it is larger than the sum of its proper divisors (10813).
20074211 is an equidigital number, since it uses as much as digits as its factorization.
20074211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10812.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 20074211 is about 4480.4253146325. The cubic root of 20074211 is about 271.7770800052. Note that the first 3 decimals are identical.
The spelling of 20074211 in words is "twenty million, seventy-four thousand, two hundred eleven".
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