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440112013 = 1140010183
BaseRepresentation
bin11010001110111…
…001001110001101
31010200011000011221
4122032321032031
51400132041023
6111401043341
713622614255
oct3216711615
91120130157
10440112013
11206482740
12103486551
1370247113
1442646965
152898885d
hex1a3b938d

440112013 has 4 divisors (see below), whose sum is σ = 480122208. Its totient is φ = 400101820.

The previous prime is 440112007. The next prime is 440112017. The reversal of 440112013 is 310211044.

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 a cyclic number.

It is not a de Polignac number, because 440112013 - 25 = 440111981 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 (440112017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20005081 + ... + 20005102.

It is an arithmetic number, because the mean of its divisors is an integer number (120030552).

Almost surely, 2440112013 is an apocalyptic number.

It is an amenable number.

440112013 is a deficient number, since it is larger than the sum of its proper divisors (40010195).

440112013 is a wasteful number, since it uses less digits than its factorization.

440112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40010194.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 440112013 is about 20978.8467986207. The cubic root of 440112013 is about 760.6550291176.

Adding to 440112013 its reverse (310211044), we get a palindrome (750323057).

The spelling of 440112013 in words is "four hundred forty million, one hundred twelve thousand, thirteen".

Divisors: 1 11 40010183 440112013