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40411478 = 220205739
BaseRepresentation
bin1001101000101…
…0000101010110
32211001010010102
42122022011112
540321131403
64002054102
71000330502
oct232120526
984033112
1040411478
11208a1818
121164a332
1384abc23
14551d302
153833b88
hex268a156

40411478 has 4 divisors (see below), whose sum is σ = 60617220. Its totient is φ = 20205738.

The previous prime is 40411447. The next prime is 40411487. The reversal of 40411478 is 87411404.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40411478.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10102868 + ... + 10102871.

It is an arithmetic number, because the mean of its divisors is an integer number (15154305).

Almost surely, 240411478 is an apocalyptic number.

40411478 is a deficient number, since it is larger than the sum of its proper divisors (20205742).

40411478 is a wasteful number, since it uses less digits than its factorization.

40411478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20205741.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 40411478 is about 6357.0022809497. The cubic root of 40411478 is about 343.1638868096.

Subtracting from 40411478 its sum of digits (29), we obtain a square (40411449 = 63572).

The spelling of 40411478 in words is "forty million, four hundred eleven thousand, four hundred seventy-eight".

Divisors: 1 2 20205739 40411478