Search a number
-
+
14142869 = 134012713
BaseRepresentation
bin110101111100…
…110110010101
3222121112100222
4311330312111
512110032434
61223044125
7231132566
oct65746625
928545328
1014142869
117a8a824
1248a0645
132c12480
141c4216d
15139572e
hexd7cd95

14142869 has 8 divisors (see below), whose sum is σ = 15274392. Its totient is φ = 13017600.

The previous prime is 14142853. The next prime is 14142871. The reversal of 14142869 is 96824141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8334769 + 5808100 = 2887^2 + 2410^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14142869 - 24 = 14142853 is a prime.

It is a super-2 number, since 2×141428692 = 400041487102322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (1909299).

Almost surely, 214142869 is an apocalyptic number.

It is an amenable number.

14142869 is a deficient number, since it is larger than the sum of its proper divisors (1131523).

14142869 is a wasteful number, since it uses less digits than its factorization.

14142869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its digits is 13824, while the sum is 35.

The square root of 14142869 is about 3760.7005996224. The cubic root of 14142869 is about 241.8312976259.

The spelling of 14142869 in words is "fourteen million, one hundred forty-two thousand, eight hundred sixty-nine".

Divisors: 1 13 401 2713 5213 35269 1087913 14142869