Search a number
-
+
40054973 = 743133073
BaseRepresentation
bin1001100011001…
…1000010111101
32210101000002112
42120303002331
540223224343
63550303405
7664314230
oct230630275
983330075
1040054973
1120678992
12114b7b65
1383b588a
145469417
1537b3218
hex26330bd

40054973 has 8 divisors (see below), whose sum is σ = 46842048. Its totient is φ = 33534144.

The previous prime is 40054969. The next prime is 40054999. The reversal of 40054973 is 37945004.

40054973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40054973 - 22 = 40054969 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 (40054913) 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 7 ways as a sum of consecutive naturals, for example, 66236 + ... + 66837.

It is an arithmetic number, because the mean of its divisors is an integer number (5855256).

Almost surely, 240054973 is an apocalyptic number.

40054973 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40054973 is a deficient number, since it is larger than the sum of its proper divisors (6787075).

40054973 is a wasteful number, since it uses less digits than its factorization.

40054973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133123.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40054973 is about 6328.8998254041. The cubic root of 40054973 is about 342.1517884641.

Adding to 40054973 its reverse (37945004), we get a palindrome (77999977).

The spelling of 40054973 in words is "forty million, fifty-four thousand, nine hundred seventy-three".

Divisors: 1 7 43 301 133073 931511 5722139 40054973