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40127663 = 233075683
BaseRepresentation
bin1001100100010…
…0110010101111
32210111200210202
42121010302233
540233041123
63552024115
7665036162
oct231046257
983450722
1040127663
1120718564
121153203b
13840c9a4
145487ad9
1537c9a28
hex2644caf

40127663 has 8 divisors (see below), whose sum is σ = 42016128. Its totient is φ = 38251224.

The previous prime is 40127657. The next prime is 40127687. The reversal of 40127663 is 36672104.

40127663 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 a cyclic number.

It is not a de Polignac number, because 40127663 - 28 = 40127407 is a prime.

It is a super-2 number, since 2×401276632 = 3220458675683138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127653) 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, 4220 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (5252016).

Almost surely, 240127663 is an apocalyptic number.

40127663 is a deficient number, since it is larger than the sum of its proper divisors (1888465).

40127663 is a wasteful number, since it uses less digits than its factorization.

40127663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40127663 is about 6334.6399266257. The cubic root of 40127663 is about 342.3586373840.

Adding to 40127663 its reverse (36672104), we get a palindrome (76799767).

The spelling of 40127663 in words is "forty million, one hundred twenty-seven thousand, six hundred sixty-three".

Divisors: 1 23 307 5683 7061 130709 1744681 40127663