Base | Representation |
---|---|
bin | 10111111011000… |
… | …00001010001111 |
3 | 111222121012002010 |
4 | 23331200022033 |
5 | 402333000022 |
6 | 31525032303 |
7 | 4654453143 |
oct | 1375401217 |
9 | 458535063 |
10 | 200671887 |
11 | a3301839 |
12 | 57255693 |
13 | 32761080 |
14 | 1c919223 |
15 | 1293d50c |
hex | bf6028f |
200671887 has 8 divisors (see below), whose sum is σ = 288144304. Its totient is φ = 123490368.
The previous prime is 200671879. The next prime is 200671907. The reversal of 200671887 is 788176002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 200671887 - 23 = 200671879 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5145433 = 200671887 / (2 + 0 + 0 + 6 + 7 + 1 + 8 + 8 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200671837) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572678 + ... + 2572755.
It is an arithmetic number, because the mean of its divisors is an integer number (36018038).
Almost surely, 2200671887 is an apocalyptic number.
200671887 is a deficient number, since it is larger than the sum of its proper divisors (87472417).
200671887 is a wasteful number, since it uses less digits than its factorization.
200671887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5145449.
The product of its (nonzero) digits is 37632, while the sum is 39.
The square root of 200671887 is about 14165.8704991963. The cubic root of 200671887 is about 585.4576855126.
The spelling of 200671887 in words is "two hundred million, six hundred seventy-one thousand, eight hundred eighty-seven".
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