Base | Representation |
---|---|
bin | 11000010100111… |
… | …01010101111101 |
3 | 112012222201222021 |
4 | 30022131111331 |
5 | 404220140341 |
6 | 32125520141 |
7 | 5025360040 |
oct | 1412352575 |
9 | 465881867 |
10 | 204068221 |
11 | a5211525 |
12 | 58413051 |
13 | 3337cc36 |
14 | 1d160c57 |
15 | 12dae9d1 |
hex | c29d57d |
204068221 has 8 divisors (see below), whose sum is σ = 246939840. Its totient is φ = 164626368.
The previous prime is 204068201. The next prime is 204068231. The reversal of 204068221 is 122860402.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 204068221 - 27 = 204068093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204068201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857311 + ... + 857548.
It is an arithmetic number, because the mean of its divisors is an integer number (30867480).
Almost surely, 2204068221 is an apocalyptic number.
It is an amenable number.
204068221 is a deficient number, since it is larger than the sum of its proper divisors (42871619).
204068221 is a wasteful number, since it uses less digits than its factorization.
204068221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1714883.
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 204068221 is about 14285.2448701449. The cubic root of 204068221 is about 588.7421454559.
The spelling of 204068221 in words is "two hundred four million, sixty-eight thousand, two hundred twenty-one".
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