Search a number
-
+
5405587 = 11491417
BaseRepresentation
bin10100100111101110010011
3101011122001221
4110213232103
52340434322
6311505511
763642505
oct24475623
911148057
105405587
113062330
121988297
131173595
14a09d75
1571b9c7
hex527b93

5405587 has 4 divisors (see below), whose sum is σ = 5897016. Its totient is φ = 4914160.

The previous prime is 5405579. The next prime is 5405591. The reversal of 5405587 is 7855045.

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

It is a cyclic number.

It is not a de Polignac number, because 5405587 - 23 = 5405579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245698 + ... + 245719.

It is an arithmetic number, because the mean of its divisors is an integer number (1474254).

Almost surely, 25405587 is an apocalyptic number.

5405587 is a deficient number, since it is larger than the sum of its proper divisors (491429).

5405587 is a wasteful number, since it uses less digits than its factorization.

5405587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491428.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 5405587 is about 2324.9918279426. The cubic root of 5405587 is about 175.5015489456.

The spelling of 5405587 in words is "five million, four hundred five thousand, five hundred eighty-seven".

Divisors: 1 11 491417 5405587