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7440014 = 273131389
BaseRepresentation
bin11100011000011010001110
3111222222210002
4130120122032
53401040024
6423244302
7120145001
oct34303216
914888702
107440014
11422187a
1225a9692
13170659a
14db9538
159be6ae
hex71868e

7440014 has 16 divisors (see below), whose sum is σ = 11428560. Its totient is φ = 3631680.

The previous prime is 7440011. The next prime is 7440047. The reversal of 7440014 is 4100447.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440011) 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 7 ways as a sum of consecutive naturals, for example, 18932 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (714285).

Almost surely, 27440014 is an apocalyptic number.

7440014 is a deficient number, since it is larger than the sum of its proper divisors (3988546).

7440014 is a wasteful number, since it uses less digits than its factorization.

7440014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7440014 is about 2727.6389057205. The cubic root of 7440014 is about 195.2201239834.

The spelling of 7440014 in words is "seven million, four hundred forty thousand, fourteen".

Divisors: 1 2 73 131 146 262 389 778 9563 19126 28397 50959 56794 101918 3720007 7440014