Search a number
-
+
10887917 is a prime number
BaseRepresentation
bin101001100010…
…001011101101
3202111011102012
4221202023231
510241403132
61025211005
7161355125
oct51421355
922434365
1010887917
116167287
123790a65
132342a71
141635c85
15e510b2
hexa622ed

10887917 has 2 divisors, whose sum is σ = 10887918. Its totient is φ = 10887916.

The previous prime is 10887881. The next prime is 10887923. The reversal of 10887917 is 71978801.

10887917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 4405801 = 2546^2 + 2099^2 .

It is a cyclic number.

It is not a de Polignac number, because 10887917 - 26 = 10887853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10887997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5443958 + 5443959.

It is an arithmetic number, because the mean of its divisors is an integer number (5443959).

Almost surely, 210887917 is an apocalyptic number.

It is an amenable number.

10887917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10887917 is an equidigital number, since it uses as much as digits as its factorization.

10887917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 10887917 is about 3299.6843788460. The cubic root of 10887917 is about 221.6400641438.

The spelling of 10887917 in words is "ten million, eight hundred eighty-seven thousand, nine hundred seventeen".