Search a number
-
+
40441855 = 547172093
BaseRepresentation
bin1001101001000…
…1011111111111
32211002122210111
42122101133333
540323114410
64002450451
71000515166
oct232213777
984078714
1040441855
1120912623
1211663a27
1384bc9bc
14552a3dd
15383cb8a
hex26917ff

40441855 has 8 divisors (see below), whose sum is σ = 49563072. Its totient is φ = 31664928.

The previous prime is 40441853. The next prime is 40441871. The reversal of 40441855 is 55814404.

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

It is a cyclic number.

It is not a de Polignac number, because 40441855 - 21 = 40441853 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 (40441853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85812 + ... + 86281.

It is an arithmetic number, because the mean of its divisors is an integer number (6195384).

Almost surely, 240441855 is an apocalyptic number.

40441855 is a deficient number, since it is larger than the sum of its proper divisors (9121217).

40441855 is a wasteful number, since it uses less digits than its factorization.

40441855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172145.

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 40441855 is about 6359.3910872032. The cubic root of 40441855 is about 343.2498498334.

The spelling of 40441855 in words is "forty million, four hundred forty-one thousand, eight hundred fifty-five".

Divisors: 1 5 47 235 172093 860465 8088371 40441855