Base | Representation |
---|---|
bin | 10111111000010… |
… | …10011101110111 |
3 | 111221221100121010 |
4 | 23330022131313 |
5 | 402240232022 |
6 | 31513323303 |
7 | 4651461624 |
oct | 1374123567 |
9 | 457840533 |
10 | 200320887 |
11 | a3092058 |
12 | 57106533 |
13 | 3266a390 |
14 | 1c86734b |
15 | 128be50c |
hex | bf0a777 |
200320887 has 16 divisors (see below), whose sum is σ = 288847328. Its totient is φ = 122757120.
The previous prime is 200320847. The next prime is 200320903. The reversal of 200320887 is 788023002.
It is not a de Polignac number, because 200320887 - 27 = 200320759 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 (200320847) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258 + ... + 20055.
It is an arithmetic number, because the mean of its divisors is an integer number (18052958).
Almost surely, 2200320887 is an apocalyptic number.
200320887 is a deficient number, since it is larger than the sum of its proper divisors (88526441).
200320887 is a wasteful number, since it uses less digits than its factorization.
200320887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21570.
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 200320887 is about 14153.4761454563. The cubic root of 200320887 is about 585.1161402839.
Adding to 200320887 its reverse (788023002), we get a palindrome (988343889).
The spelling of 200320887 in words is "two hundred million, three hundred twenty thousand, eight hundred eighty-seven".
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