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5421889 = 11244809
BaseRepresentation
bin10100101011101101000001
3101012110102201
4110223231001
52342000024
6312113201
764041154
oct24535501
911173381
105421889
113073600
121995801
13117ab25
14a11c9b
15721744
hex52bb41

5421889 has 6 divisors (see below), whose sum is σ = 5959730. Its totient is φ = 4928880.

The previous prime is 5421887. The next prime is 5421893. The reversal of 5421889 is 9881245.

It can be written as a sum of positive squares in only one way, i.e., 4986289 + 435600 = 2233^2 + 660^2 .

It is not a de Polignac number, because 5421889 - 21 = 5421887 is a prime.

It is an Ulam number.

It is a Duffinian number.

5421889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5421887) 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 5 ways as a sum of consecutive naturals, for example, 22284 + ... + 22525.

Almost surely, 25421889 is an apocalyptic number.

It is an amenable number.

5421889 is a deficient number, since it is larger than the sum of its proper divisors (537841).

5421889 is a wasteful number, since it uses less digits than its factorization.

5421889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831 (or 44820 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 5421889 is about 2328.4950075102. The cubic root of 5421889 is about 175.6777959160.

The spelling of 5421889 in words is "five million, four hundred twenty-one thousand, eight hundred eighty-nine".

Divisors: 1 11 121 44809 492899 5421889