Base | Representation |
---|---|
bin | 10111111011110… |
… | …01011100010000 |
3 | 111222210110010102 |
4 | 23331321130100 |
5 | 402344303230 |
6 | 31531151532 |
7 | 4655364065 |
oct | 1375713420 |
9 | 458713112 |
10 | 200775440 |
11 | a3372618 |
12 | 572a55a8 |
13 | 32799248 |
14 | 1c944c6c |
15 | 1295e045 |
hex | bf79710 |
200775440 has 40 divisors (see below), whose sum is σ = 494265240. Its totient is φ = 75585536.
The previous prime is 200775427. The next prime is 200775467. The reversal of 200775440 is 44577002.
It can be written as a sum of positive squares in 4 ways, for example, as 10445824 + 190329616 = 3232^2 + 13796^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72455 + ... + 75174.
It is an arithmetic number, because the mean of its divisors is an integer number (12356631).
Almost surely, 2200775440 is an apocalyptic number.
200775440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
200775440 is an abundant number, since it is smaller than the sum of its proper divisors (293489800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200775440 is a wasteful number, since it uses less digits than its factorization.
200775440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147659 (or 147653 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 29.
The square root of 200775440 is about 14169.5250449689. The cubic root of 200775440 is about 585.5583730501.
The spelling of 200775440 in words is "two hundred million, seven hundred seventy-five thousand, four hundred forty".
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