Search a number
-
+
887413 = 4012213
BaseRepresentation
bin11011000101001110101
31200002022011
43120221311
5211344123
631004221
710354132
oct3305165
91602264
10887413
115567aa
12369671
13250bc7
14191589
15127e0d
hexd8a75

887413 has 4 divisors (see below), whose sum is σ = 890028. Its totient is φ = 884800.

The previous prime is 887401. The next prime is 887423. The reversal of 887413 is 314788.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 7569 = 938^2 + 87^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-887413 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (222507).

2887413 is an apocalyptic number.

It is an amenable number.

887413 is a deficient number, since it is larger than the sum of its proper divisors (2615).

887413 is a wasteful number, since it uses less digits than its factorization.

887413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its digits is 5376, while the sum is 31.

The square root of 887413 is about 942.0260081335. The cubic root of 887413 is about 96.0967268714.

The spelling of 887413 in words is "eight hundred eighty-seven thousand, four hundred thirteen".

Divisors: 1 401 2213 887413