Base | Representation |
---|---|
bin | 11000011011001… |
… | …01101110001010 |
3 | 112021112102211101 |
4 | 30031211232022 |
5 | 404422421340 |
6 | 32155252014 |
7 | 5035345636 |
oct | 1415455612 |
9 | 467472741 |
10 | 204888970 |
11 | a5722130 |
12 | 5874a00a |
13 | 335a96a0 |
14 | 1d2d5dc6 |
15 | 12ec2c9a |
hex | c365b8a |
204888970 has 64 divisors (see below), whose sum is σ = 456140160. Its totient is φ = 65145600.
The previous prime is 204888967. The next prime is 204888979. The reversal of 204888970 is 79888402.
204888970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 204888970.
It is not an unprimeable number, because it can be changed into a prime (204888979) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23400 + ... + 30940.
It is an arithmetic number, because the mean of its divisors is an integer number (7127190).
Almost surely, 2204888970 is an apocalyptic number.
204888970 is an abundant number, since it is smaller than the sum of its proper divisors (251251190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204888970 is a wasteful number, since it uses less digits than its factorization.
204888970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7591.
The product of its (nonzero) digits is 258048, while the sum is 46.
The square root of 204888970 is about 14313.9432023464. The cubic root of 204888970 is about 589.5303837487.
The spelling of 204888970 in words is "two hundred four million, eight hundred eighty-eight thousand, nine hundred seventy".
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