Base | Representation |
---|---|
bin | 11000100101100… |
… | …11011000010000 |
3 | 112101002212112111 |
4 | 30102303120100 |
5 | 410300140012 |
6 | 32244435104 |
7 | 5053100242 |
oct | 1422633020 |
9 | 471085474 |
10 | 206255632 |
11 | a6475a00 |
12 | 590a8a94 |
13 | 3396776b |
14 | 1d570092 |
15 | 13192ba7 |
hex | c4b3610 |
206255632 has 30 divisors (see below), whose sum is σ = 439256174. Its totient is φ = 93751680.
The previous prime is 206255603. The next prime is 206255633. The reversal of 206255632 is 236552602.
It can be written as a sum of positive squares in only one way, i.e., 131882256 + 74373376 = 11484^2 + 8624^2 .
It is a junction number, because it is equal to n+sod(n) for n = 206255594 and 206255603.
It is not an unprimeable number, because it can be changed into a prime (206255633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51333 + ... + 55204.
Almost surely, 2206255632 is an apocalyptic number.
206255632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
206255632 is an abundant number, since it is smaller than the sum of its proper divisors (233000542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206255632 is a wasteful number, since it uses less digits than its factorization.
206255632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106567 (or 106550 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 31.
The square root of 206255632 is about 14361.6026960782. The cubic root of 206255632 is about 590.8382530769.
The spelling of 206255632 in words is "two hundred six million, two hundred fifty-five thousand, six hundred thirty-two".
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