Base | Representation |
---|---|
bin | 10111111001001… |
… | …01011000100111 |
3 | 111222010221211200 |
4 | 23330211120213 |
5 | 402302244033 |
6 | 31515533543 |
7 | 4652431233 |
oct | 1374453047 |
9 | 458127750 |
10 | 200431143 |
11 | a3157980 |
12 | 5715a2b3 |
13 | 326a8613 |
14 | 1c8955c3 |
15 | 128e2013 |
hex | bf25627 |
200431143 has 24 divisors (see below), whose sum is σ = 316318080. Its totient is φ = 121286160.
The previous prime is 200431123. The next prime is 200431159. The reversal of 200431143 is 341134002.
It is not a de Polignac number, because 200431143 - 25 = 200431111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200431123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89880 + ... + 92082.
It is an arithmetic number, because the mean of its divisors is an integer number (13179920).
Almost surely, 2200431143 is an apocalyptic number.
200431143 is a deficient number, since it is larger than the sum of its proper divisors (115886937).
200431143 is a wasteful number, since it uses less digits than its factorization.
200431143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3139 (or 3136 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 200431143 is about 14157.3706245192. The cubic root of 200431143 is about 585.2234693031.
Adding to 200431143 its reverse (341134002), we get a palindrome (541565145).
The spelling of 200431143 in words is "two hundred million, four hundred thirty-one thousand, one hundred forty-three".
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