Base | Representation |
---|---|
bin | 10111111011010… |
… | …11111100010101 |
3 | 111222200122021121 |
4 | 23331223330111 |
5 | 402341021044 |
6 | 31530043541 |
7 | 4655043640 |
oct | 1375537425 |
9 | 458618247 |
10 | 200720149 |
11 | a3335023 |
12 | 572795b1 |
13 | 3277a026 |
14 | 1c92ca57 |
15 | 1294c984 |
hex | bf6bf15 |
200720149 has 16 divisors (see below), whose sum is σ = 240042240. Its totient is φ = 164102400.
The previous prime is 200720147. The next prime is 200720167. The reversal of 200720149 is 941027002.
It is not a de Polignac number, because 200720149 - 21 = 200720147 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200720147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63007 + ... + 66115.
It is an arithmetic number, because the mean of its divisors is an integer number (15002640).
Almost surely, 2200720149 is an apocalyptic number.
It is an amenable number.
200720149 is a deficient number, since it is larger than the sum of its proper divisors (39322091).
200720149 is a wasteful number, since it uses less digits than its factorization.
200720149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3540.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 200720149 is about 14167.5738572276. The cubic root of 200720149 is about 585.5046163415.
The spelling of 200720149 in words is "two hundred million, seven hundred twenty thousand, one hundred forty-nine".
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