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5291889 = 31763963
BaseRepresentation
bin10100001011111101110001
3100221212002220
4110023331301
52323320024
6305231253
762660151
oct24137561
910855086
105291889
112a94969
121932529
1311338c5
149ba761
156e7e79
hex50bf71

5291889 has 4 divisors (see below), whose sum is σ = 7055856. Its totient is φ = 3527924.

The previous prime is 5291857. The next prime is 5291893. The reversal of 5291889 is 9881925.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5291889 - 25 = 5291857 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5291889.

It is not an unprimeable number, because it can be changed into a prime (5291389) 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, 881979 + ... + 881984.

It is an arithmetic number, because the mean of its divisors is an integer number (1763964).

Almost surely, 25291889 is an apocalyptic number.

It is an amenable number.

5291889 is a deficient number, since it is larger than the sum of its proper divisors (1763967).

5291889 is a wasteful number, since it uses less digits than its factorization.

5291889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763966.

The product of its digits is 51840, while the sum is 42.

The square root of 5291889 is about 2300.4106155206. The cubic root of 5291889 is about 174.2623536023.

The spelling of 5291889 in words is "five million, two hundred ninety-one thousand, eight hundred eighty-nine".

Divisors: 1 3 1763963 5291889