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40211013 = 313403671
BaseRepresentation
bin1001100101100…
…1001001000101
32210122221010210
42121121021011
540243223023
63553510033
7665534163
oct231311105
983587123
1040211013
1120775147
1211572319
13843b8cb
1454aa233
1537e4593
hex2659245

40211013 has 4 divisors (see below), whose sum is σ = 53614688. Its totient is φ = 26807340.

The previous prime is 40211009. The next prime is 40211053. The reversal of 40211013 is 31011204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40211013 - 22 = 40211009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40211013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40211053) 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 3 ways as a sum of consecutive naturals, for example, 6701833 + ... + 6701838.

It is an arithmetic number, because the mean of its divisors is an integer number (13403672).

Almost surely, 240211013 is an apocalyptic number.

It is an amenable number.

40211013 is a deficient number, since it is larger than the sum of its proper divisors (13403675).

40211013 is a wasteful number, since it uses less digits than its factorization.

40211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403674.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40211013 is about 6341.2154197756. The cubic root of 40211013 is about 342.5955135253.

Adding to 40211013 its reverse (31011204), we get a palindrome (71222217).

The spelling of 40211013 in words is "forty million, two hundred eleven thousand, thirteen".

Divisors: 1 3 13403671 40211013