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40412343 = 313470781
BaseRepresentation
bin1001101000101…
…0010010110111
32211001011022110
42122022102313
540321143333
64002102103
71000333146
oct232122267
984034273
1040412343
11208a2434
121164a933
1384ac43a
14551d75d
153834063
hex268a4b7

40412343 has 4 divisors (see below), whose sum is σ = 53883128. Its totient is φ = 26941560.

The previous prime is 40412329. The next prime is 40412401. The reversal of 40412343 is 34321404.

40412343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40412343 - 24 = 40412327 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 (40412243) 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 3 ways as a sum of consecutive naturals, for example, 6735388 + ... + 6735393.

It is an arithmetic number, because the mean of its divisors is an integer number (13470782).

Almost surely, 240412343 is an apocalyptic number.

40412343 is a deficient number, since it is larger than the sum of its proper divisors (13470785).

40412343 is a wasteful number, since it uses less digits than its factorization.

40412343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470784.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40412343 is about 6357.0703157980. The cubic root of 40412343 is about 343.1663352448.

Adding to 40412343 its reverse (34321404), we get a palindrome (74733747).

It can be divided in two parts, 40412 and 343, that added together give a triangular number (40755 = T285).

The spelling of 40412343 in words is "forty million, four hundred twelve thousand, three hundred forty-three".

Divisors: 1 3 13470781 40412343