Base | Representation |
---|---|
bin | 11000011101101… |
… | …11001111101101 |
3 | 112022011101212220 |
4 | 30032313033231 |
5 | 410014113033 |
6 | 32210345553 |
7 | 5041236321 |
oct | 1416671755 |
9 | 468141786 |
10 | 205222893 |
11 | a592aaa7 |
12 | 5888b2b9 |
13 | 33695685 |
14 | 1d381981 |
15 | 1303bbb3 |
hex | c3b73ed |
205222893 has 8 divisors (see below), whose sum is σ = 273697056. Its totient is φ = 136782000.
The previous prime is 205222889. The next prime is 205222903. The reversal of 205222893 is 398222502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 205222893 - 22 = 205222889 is a prime.
It is a super-2 number, since 2×2052228932 = 84232871622578898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205222093) 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, 17763 + ... + 26943.
It is an arithmetic number, because the mean of its divisors is an integer number (34212132).
Almost surely, 2205222893 is an apocalyptic number.
It is an amenable number.
205222893 is a deficient number, since it is larger than the sum of its proper divisors (68474163).
205222893 is an equidigital number, since it uses as much as digits as its factorization.
205222893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16635.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 205222893 is about 14325.6027098339. The cubic root of 205222893 is about 589.8504772875.
The spelling of 205222893 in words is "two hundred five million, two hundred twenty-two thousand, eight hundred ninety-three".
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