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14040769 = 22396271
BaseRepresentation
bin110101100011…
…111011000001
3222102100022111
4311203323001
512043301034
61220535321
7230226121
oct65437301
928370274
1014040769
117a20046
124851541
132ba7b62
141c16c81
151375364
hexd63ec1

14040769 has 4 divisors (see below), whose sum is σ = 14049280. Its totient is φ = 14032260.

The previous prime is 14040743. The next prime is 14040809. The reversal of 14040769 is 96704041.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14040769 - 27 = 14040641 is a prime.

It is a super-2 number, since 2×140407692 = 394286388222722, which contains 22 as substring.

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 14040769.

It is not an unprimeable number, because it can be changed into a prime (14040469) 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, 897 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (3512320).

Almost surely, 214040769 is an apocalyptic number.

It is an amenable number.

14040769 is a deficient number, since it is larger than the sum of its proper divisors (8511).

14040769 is an equidigital number, since it uses as much as digits as its factorization.

14040769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 14040769 is about 3747.1014130925. The cubic root of 14040769 is about 241.2479499052.

The spelling of 14040769 in words is "fourteen million, forty thousand, seven hundred sixty-nine".

Divisors: 1 2239 6271 14040769