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40412271 = 3157239359
BaseRepresentation
bin1001101000101…
…0010001101111
32211001011012210
42122022101233
540321143041
64002101503
71000333014
oct232122157
984034183
1040412271
11208a2379
121164a893
1384ac3b3
14551d70b
153834016
hex268a46f

40412271 has 16 divisors (see below), whose sum is σ = 54604800. Its totient is φ = 26583648.

The previous prime is 40412269. The next prime is 40412279. The reversal of 40412271 is 17221404.

It is a happy number.

40412271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40412271 - 21 = 40412269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412279) 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 15 ways as a sum of consecutive naturals, for example, 112390 + ... + 112748.

It is an arithmetic number, because the mean of its divisors is an integer number (3412800).

Almost surely, 240412271 is an apocalyptic number.

40412271 is a deficient number, since it is larger than the sum of its proper divisors (14192529).

40412271 is a wasteful number, since it uses less digits than its factorization.

40412271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40412271 is about 6357.0646528095. The cubic root of 40412271 is about 343.1661314457.

Adding to 40412271 its reverse (17221404), we get a palindrome (57633675).

The spelling of 40412271 in words is "forty million, four hundred twelve thousand, two hundred seventy-one".

Divisors: 1 3 157 239 359 471 717 1077 37523 56363 85801 112569 169089 257403 13470757 40412271