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40755723 = 326575113
BaseRepresentation
bin1001101101111…
…0001000001011
32211200121100020
42123132020023
540413140343
64013311523
71003263231
oct233361013
984617306
1040755723
1121007418
12117955a3
13859c818
1455ac951
1538a0b83
hex26de20b

40755723 has 8 divisors (see below), whose sum is σ = 54372048. Its totient is φ = 27154944.

The previous prime is 40755713. The next prime is 40755727. The reversal of 40755723 is 32755704.

40755723 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 40755723 - 24 = 40755707 is a prime.

It is a super-4 number, since 4×407557234 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (40755727) 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, 5415 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (6796506).

Almost surely, 240755723 is an apocalyptic number.

40755723 is a deficient number, since it is larger than the sum of its proper divisors (13616325).

40755723 is a wasteful number, since it uses less digits than its factorization.

40755723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 40755723 is about 6384.0209116199. The cubic root of 40755723 is about 344.1355463448.

The spelling of 40755723 in words is "forty million, seven hundred fifty-five thousand, seven hundred twenty-three".

Divisors: 1 3 2657 5113 7971 15339 13585241 40755723