Search a number
-
+
201304131 = 379585911
BaseRepresentation
bin10111111111110…
…10100001000011
3112000210022100120
423333322201003
5403013213011
631550351323
74663025340
oct1377724103
9460708316
10201304131
11a36a3856
12574bb543
1332922a92
141ca417c7
1512a15a06
hexbffa843

201304131 has 8 divisors (see below), whose sum is σ = 306749184. Its totient is φ = 115030920.

The previous prime is 201304093. The next prime is 201304141. The reversal of 201304131 is 131403102.

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

It is not a de Polignac number, because 201304131 - 215 = 201271363 is a prime.

It is a super-2 number, since 2×2013041312 = 81046706315330322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201304131.

It is not an unprimeable number, because it can be changed into a prime (201304141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4792935 + ... + 4792976.

It is an arithmetic number, because the mean of its divisors is an integer number (38343648).

Almost surely, 2201304131 is an apocalyptic number.

201304131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201304131 is a deficient number, since it is larger than the sum of its proper divisors (105445053).

201304131 is an equidigital number, since it uses as much as digits as its factorization.

201304131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585921.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201304131 is about 14188.1686978976. The cubic root of 201304131 is about 586.0718955303.

Adding to 201304131 its reverse (131403102), we get a palindrome (332707233).

The spelling of 201304131 in words is "two hundred one million, three hundred four thousand, one hundred thirty-one".

Divisors: 1 3 7 21 9585911 28757733 67101377 201304131