Base | Representation |
---|---|
bin | 11000011101001… |
… | …01001011011000 |
3 | 112022000122100222 |
4 | 30032211023120 |
5 | 410004231023 |
6 | 32205015212 |
7 | 5040510500 |
oct | 1416451330 |
9 | 468018328 |
10 | 205148888 |
11 | a588a43a |
12 | 58854508 |
13 | 3366aa99 |
14 | 1d362a00 |
15 | 13024cc8 |
hex | c3a52d8 |
205148888 has 48 divisors (see below), whose sum is σ = 448724520. Its totient is φ = 87671808.
The previous prime is 205148863. The next prime is 205148927. The reversal of 205148888 is 888841502.
It is a happy number.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a zygodrome in base 13.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 225731 + ... + 226637.
Almost surely, 2205148888 is an apocalyptic number.
205148888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 205148888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224362260).
205148888 is an abundant number, since it is smaller than the sum of its proper divisors (243575632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205148888 is a wasteful number, since it uses less digits than its factorization.
205148888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1504 (or 1493 counting only the distinct ones).
The product of its (nonzero) digits is 163840, while the sum is 44.
The square root of 205148888 is about 14323.0195140550. The cubic root of 205148888 is about 589.7795671793.
The spelling of 205148888 in words is "two hundred five million, one hundred forty-eight thousand, eight hundred eighty-eight".
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