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40523041 = 1312772441
BaseRepresentation
bin1001101010010…
…1010100100001
32211020210011101
42122211110201
540333214131
64004314401
71001303656
oct232452441
984223141
1040523041
1120968619
12116a2a01
13851a940
14554bc2d
153856c61
hex26a5521

40523041 has 8 divisors (see below), whose sum is σ = 43692264. Its totient is φ = 37361280.

The previous prime is 40523027. The next prime is 40523057. The reversal of 40523041 is 14032504.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 40449600 = 271^2 + 6360^2 .

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 40523041 - 27 = 40522913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40523081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15381 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (5461533).

Almost surely, 240523041 is an apocalyptic number.

It is an amenable number.

40523041 is a deficient number, since it is larger than the sum of its proper divisors (3169223).

40523041 is a wasteful number, since it uses less digits than its factorization.

40523041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40523041 is about 6365.7710452073. The cubic root of 40523041 is about 343.4793847677.

Adding to 40523041 its reverse (14032504), we get a palindrome (54555545).

The spelling of 40523041 in words is "forty million, five hundred twenty-three thousand, forty-one".

Divisors: 1 13 1277 2441 16601 31733 3117157 40523041