Search a number
-
+
6542454 = 231090409
BaseRepresentation
bin11000111101010001110110
3110022101120010
4120331101312
53133324304
6352121050
7106416132
oct30752166
913271503
106542454
113769496
122236186
131480b99
14c243c2
15893789
hex63d476

6542454 has 8 divisors (see below), whose sum is σ = 13084920. Its totient is φ = 2180816.

The previous prime is 6542453. The next prime is 6542461. The reversal of 6542454 is 4542456.

It is a sphenic number, since it is the product of 3 distinct primes.

6542454 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542453) 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, 545199 + ... + 545210.

It is an arithmetic number, because the mean of its divisors is an integer number (1635615).

Almost surely, 26542454 is an apocalyptic number.

6542454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542454 is a wasteful number, since it uses less digits than its factorization.

6542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090414.

The product of its digits is 19200, while the sum is 30.

The square root of 6542454 is about 2557.8221204767. The cubic root of 6542454 is about 187.0309842184.

It can be divided in two parts, 6542 and 454, that added together give a palindrome (6996).

The spelling of 6542454 in words is "six million, five hundred forty-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 1090409 2180818 3271227 6542454