Search a number
-
+
40554273 = 313518091
BaseRepresentation
bin1001101010110…
…0111100100001
32211022101000010
42122230330201
540340214043
64005115133
71001464014
oct232547441
984271003
1040554273
112098a031
12116b8aa9
13852bc16
14555937b
153861133
hex26acf21

40554273 has 4 divisors (see below), whose sum is σ = 54072368. Its totient is φ = 27036180.

The previous prime is 40554271. The next prime is 40554281. The reversal of 40554273 is 37245504.

40554273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 40554273 - 21 = 40554271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40554273.

It is not an unprimeable number, because it can be changed into a prime (40554271) 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, 6759043 + ... + 6759048.

It is an arithmetic number, because the mean of its divisors is an integer number (13518092).

Almost surely, 240554273 is an apocalyptic number.

It is an amenable number.

40554273 is a deficient number, since it is larger than the sum of its proper divisors (13518095).

40554273 is a wasteful number, since it uses less digits than its factorization.

40554273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518094.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 40554273 is about 6368.2236926791. The cubic root of 40554273 is about 343.5676044823.

Adding to 40554273 its reverse (37245504), we get a palindrome (77799777).

The spelling of 40554273 in words is "forty million, five hundred fifty-four thousand, two hundred seventy-three".

Divisors: 1 3 13518091 40554273