Search a number
-
+
11890141 is a prime number
BaseRepresentation
bin101101010110…
…110111011101
3211101002012121
4231112313131
511020441031
61102502541
7203031064
oct55266735
924332177
1011890141
11679126a
123b94a51
132603cb3
1418171db
15109d011
hexb56ddd

11890141 has 2 divisors, whose sum is σ = 11890142. Its totient is φ = 11890140.

The previous prime is 11890129. The next prime is 11890159. The reversal of 11890141 is 14109811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7584516 + 4305625 = 2754^2 + 2075^2 .

It is an emirp because it is prime and its reverse (14109811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11890141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11890171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5945070 + 5945071.

It is an arithmetic number, because the mean of its divisors is an integer number (5945071).

Almost surely, 211890141 is an apocalyptic number.

It is an amenable number.

11890141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11890141 is an equidigital number, since it uses as much as digits as its factorization.

11890141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 11890141 is about 3448.2083753741. The cubic root of 11890141 is about 228.2420546703.

Adding to 11890141 its reverse (14109811), we get a palindrome (25999952).

The spelling of 11890141 in words is "eleven million, eight hundred ninety thousand, one hundred forty-one".