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14140769 = 19744251
BaseRepresentation
bin110101111100…
…010101100001
3222121102111012
4311330111201
512110001034
61223030305
7231123506
oct65742541
928542435
1014140769
117a89195
12489b395
132c11526
141c414ad
151394cce
hexd7c561

14140769 has 4 divisors (see below), whose sum is σ = 14885040. Its totient is φ = 13396500.

The previous prime is 14140751. The next prime is 14140781. The reversal of 14140769 is 96704141.

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 an emirpimes, since its reverse is a distinct semiprime: 96704141 = 587164743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14140769 is a prime.

It is a super-2 number, since 2×141407692 = 399922695822722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14140169) 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, 372107 + ... + 372144.

It is an arithmetic number, because the mean of its divisors is an integer number (3721260).

Almost surely, 214140769 is an apocalyptic number.

14140769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14140769 is a deficient number, since it is larger than the sum of its proper divisors (744271).

14140769 is an equidigital number, since it uses as much as digits as its factorization.

14140769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744270.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 14140769 is about 3760.4213859620. The cubic root of 14140769 is about 241.8193276156.

The spelling of 14140769 in words is "fourteen million, one hundred forty thousand, seven hundred sixty-nine".

Divisors: 1 19 744251 14140769