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4269 = 31423
BaseRepresentation
bin1000010101101
312212010
41002231
5114034
631433
715306
oct10255
95763
104269
113231
122579
131c35
1513e9

4269 has 4 divisors (see below), whose sum is σ = 5696. Its totient is φ = 2844.

The previous prime is 4261. The next prime is 4271. The reversal of 4269 is 9624.

It can be divided in two parts, 426 and 9, that added together give a triangular number (435 = T29).

4269 = 62 + 72 + ... + 232.

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 not a de Polignac number, because 4269 - 23 = 4261 is a prime.

It is a super-3 number, since 3×42693 = 233399391327, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a d-powerful number, because it can be written as 46 + 62 + 27 + 9 .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

4269 is a lucky number.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4269.

It is not an unprimeable number, because it can be changed into a prime (4261) 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, 709 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (1424).

24269 is an apocalyptic number.

It is an amenable number.

4269 is a deficient number, since it is larger than the sum of its proper divisors (1427).

4269 is a wasteful number, since it uses less digits than its factorization.

4269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 432, while the sum is 21.

The square root of 4269 is about 65.3375848957. The cubic root of 4269 is about 16.2221614087. Note that the first 3 decimals are identical.

The spelling of 4269 in words is "four thousand, two hundred sixty-nine".

Divisors: 1 3 1423 4269