Search a number
-
+
200588381 = 7157182519
BaseRepresentation
bin10111111010010…
…11110001011101
3111222102221112022
423331023301131
5402322312011
631523145525
74653654530
oct1375136135
9458387468
10200588381
11a3255024
12572152a5
1332732066
141c8d6a17
15129238db
hexbf4bc5d

200588381 has 8 divisors (see below), whose sum is σ = 230705280. Its totient is φ = 170836848.

The previous prime is 200588329. The next prime is 200588417. The reversal of 200588381 is 183885002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200588381 - 210 = 200587357 is a prime.

It is a super-3 number, since 3×2005883813 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200588081) 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, 90161 + ... + 92358.

It is an arithmetic number, because the mean of its divisors is an integer number (28838160).

Almost surely, 2200588381 is an apocalyptic number.

It is an amenable number.

200588381 is a deficient number, since it is larger than the sum of its proper divisors (30116899).

200588381 is a wasteful number, since it uses less digits than its factorization.

200588381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182683.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 200588381 is about 14162.9227562675. The cubic root of 200588381 is about 585.3764650134.

The spelling of 200588381 in words is "two hundred million, five hundred eighty-eight thousand, three hundred eighty-one".

Divisors: 1 7 157 1099 182519 1277633 28655483 200588381