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5469 = 31823
BaseRepresentation
bin1010101011101
321111120
41111131
5133334
641153
721642
oct12535
97446
105469
114122
1231b9
132649
141dc9
151949
hex155d

5469 has 4 divisors (see below), whose sum is σ = 7296. Its totient is φ = 3644.

The previous prime is 5449. The next prime is 5471. The reversal of 5469 is 9645.

Subtracting from 5469 its sum of digits (24), we obtain a palindrome (5445).

It can be divided in two parts, 546 and 9, that added together give a palindrome (555).

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 5469 - 25 = 5437 is a prime.

It is a super-2 number, since 2×54692 = 59819922, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 5 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (1824).

25469 is an apocalyptic number.

It is an amenable number.

5469 is a deficient number, since it is larger than the sum of its proper divisors (1827).

5469 is a wasteful number, since it uses less digits than its factorization.

5469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its digits is 1080, while the sum is 24.

The square root of 5469 is about 73.9526875779. The cubic root of 5469 is about 17.6185152946.

The spelling of 5469 in words is "five thousand, four hundred sixty-nine".

Divisors: 1 3 1823 5469