Search a number
-
+
200204191 = 1187720753
BaseRepresentation
bin10111110111011…
…01111110011111
3111221201102112001
423323231332133
5402223013231
631511023131
74650464455
oct1373557637
9457642461
10200204191
11a3012410
125706aaa7
1332629225
141c8369d5
1512899b61
hexbeedf9f

200204191 has 8 divisors (see below), whose sum is σ = 218664144. Its totient is φ = 181787520.

The previous prime is 200204177. The next prime is 200204201. The reversal of 200204191 is 191402002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200204191 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 (200204131) 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, 730 + ... + 20023.

It is an arithmetic number, because the mean of its divisors is an integer number (27333018).

Almost surely, 2200204191 is an apocalyptic number.

200204191 is a deficient number, since it is larger than the sum of its proper divisors (18459953).

200204191 is a wasteful number, since it uses less digits than its factorization.

200204191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 200204191 is about 14149.3530240785. The cubic root of 200204191 is about 585.0024993197.

Adding to 200204191 its reverse (191402002), we get a palindrome (391606193).

The spelling of 200204191 in words is "two hundred million, two hundred four thousand, one hundred ninety-one".

Divisors: 1 11 877 9647 20753 228283 18200381 200204191