Search a number
-
+
5540455 = 51108091
BaseRepresentation
bin10101001000101001100111
3101102111002001
4111020221213
52404243310
6314430131
765043634
oct25105147
911374061
105540455
113144698
121a32347
1311bca9b
14a4318b
1574693a
hex548a67

5540455 has 4 divisors (see below), whose sum is σ = 6648552. Its totient is φ = 4432360.

The previous prime is 5540449. The next prime is 5540459.

5540455 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2k-5540455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540459) 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, 554041 + ... + 554050.

It is an arithmetic number, because the mean of its divisors is an integer number (1662138).

Almost surely, 25540455 is an apocalyptic number.

5540455 is a deficient number, since it is larger than the sum of its proper divisors (1108097).

5540455 is a wasteful number, since it uses less digits than its factorization.

5540455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108096.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 5540455 is about 2353.8171126916. The cubic root of 5540455 is about 176.9491485741.

It can be divided in two parts, 5540 and 455, that added together give a palindrome (5995).

The spelling of 5540455 in words is "five million, five hundred forty thousand, four hundred fifty-five".

Divisors: 1 5 1108091 5540455