Search a number
-
+
200731741 = 7231246781
BaseRepresentation
bin10111111011011…
…10110001011101
3111222201020011221
423331232301131
5402341403431
631530213341
74655122510
oct1375566135
9458636157
10200731741
11a3342801
1257284251
13327823a2
141c932d77
1512951111
hexbf6ec5d

200731741 has 8 divisors (see below), whose sum is σ = 239382144. Its totient is φ = 164574960.

The previous prime is 200731711. The next prime is 200731763. The reversal of 200731741 is 147137002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200731741 - 217 = 200600669 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 (200731711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623230 + ... + 623551.

It is an arithmetic number, because the mean of its divisors is an integer number (29922768).

Almost surely, 2200731741 is an apocalyptic number.

It is an amenable number.

200731741 is a deficient number, since it is larger than the sum of its proper divisors (38650403).

200731741 is a wasteful number, since it uses less digits than its factorization.

200731741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246811.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 200731741 is about 14167.9829545352. The cubic root of 200731741 is about 585.5158874884.

Adding to 200731741 its reverse (147137002), we get a palindrome (347868743).

The spelling of 200731741 in words is "two hundred million, seven hundred thirty-one thousand, seven hundred forty-one".

Divisors: 1 7 23 161 1246781 8727467 28675963 200731741