Base | Representation |
---|---|
bin | 10111111101001… |
… | …00010010000111 |
3 | 112000010100211122 |
4 | 23332210102013 |
5 | 402420412134 |
6 | 31535024155 |
7 | 4660024511 |
oct | 1376442207 |
9 | 460110748 |
10 | 200950919 |
11 | a3482444 |
12 | 5736b05b |
13 | 3282b090 |
14 | 1c98cbb1 |
15 | 1299602e |
hex | bfa4487 |
200950919 has 4 divisors (see below), whose sum is σ = 216408696. Its totient is φ = 185493144.
The previous prime is 200950903. The next prime is 200950921. The reversal of 200950919 is 919059002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919059002 = 2 ⋅459529501.
It is a cyclic number.
It is not a de Polignac number, because 200950919 - 24 = 200950903 is a prime.
It is a super-2 number, since 2×2009509192 = 80762543693889122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200950979) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7728869 + ... + 7728894.
It is an arithmetic number, because the mean of its divisors is an integer number (54102174).
Almost surely, 2200950919 is an apocalyptic number.
200950919 is a deficient number, since it is larger than the sum of its proper divisors (15457777).
200950919 is a wasteful number, since it uses less digits than its factorization.
200950919 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15457776.
The product of its (nonzero) digits is 7290, while the sum is 35.
The square root of 200950919 is about 14175.7158196685. The cubic root of 200950919 is about 585.7289172770.
The spelling of 200950919 in words is "two hundred million, nine hundred fifty thousand, nine hundred nineteen".
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