Base | Representation |
---|---|
bin | 10111110110010… |
… | …01010111001101 |
3 | 111221102210210121 |
4 | 23323021113031 |
5 | 402203213341 |
6 | 31503504541 |
7 | 4646301313 |
oct | 1373112715 |
9 | 457383717 |
10 | 200054221 |
11 | a2a1a774 |
12 | 56bb8151 |
13 | 325a5ba3 |
14 | 1c7d80b3 |
15 | 1286a4d1 |
hex | bec95cd |
200054221 has 4 divisors (see below), whose sum is σ = 201493600. Its totient is φ = 198614844.
The previous prime is 200054201. The next prime is 200054273. The reversal of 200054221 is 122450002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122450002 = 2 ⋅61225001.
It is a cyclic number.
It is not a de Polignac number, because 200054221 - 211 = 200052173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 200054195 and 200054204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200054201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719481 + ... + 719758.
It is an arithmetic number, because the mean of its divisors is an integer number (50373400).
Almost surely, 2200054221 is an apocalyptic number.
It is an amenable number.
200054221 is a deficient number, since it is larger than the sum of its proper divisors (1439379).
200054221 is a wasteful number, since it uses less digits than its factorization.
200054221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1439378.
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 200054221 is about 14144.0524956605. The cubic root of 200054221 is about 584.8563905895.
The spelling of 200054221 in words is "two hundred million, fifty-four thousand, two hundred twenty-one".
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