Search a number
-
+
4013269 = 13308713
BaseRepresentation
bin1111010011110011010101
321112220011121
433103303111
52011411034
6222003541
746053331
oct17236325
97486147
104013269
1122a1257
1214165b1
13aa6920
147667c1
155441b4
hex3d3cd5

4013269 has 4 divisors (see below), whose sum is σ = 4321996. Its totient is φ = 3704544.

The previous prime is 4013267. The next prime is 4013287. The reversal of 4013269 is 9623104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 2480625 = 1238^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 4013269 - 21 = 4013267 is a prime.

It is a super-2 number, since 2×40132692 = 32212656132722, which contains 22 as substring.

It is a Duffinian number.

4013269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013267) 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, 154344 + ... + 154369.

It is an arithmetic number, because the mean of its divisors is an integer number (1080499).

Almost surely, 24013269 is an apocalyptic number.

It is an amenable number.

4013269 is a deficient number, since it is larger than the sum of its proper divisors (308727).

4013269 is a wasteful number, since it uses less digits than its factorization.

4013269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308726.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 4013269 is about 2003.3145035166. The cubic root of 4013269 is about 158.9154383362.

The spelling of 4013269 in words is "four million, thirteen thousand, two hundred sixty-nine".

Divisors: 1 13 308713 4013269