Search a number
-
+
449013 = 3971543
BaseRepresentation
bin1101101100111110101
3211210221010
41231213311
5103332023
613342433
73550035
oct1554765
9753833
10449013
11287394
12197a19
131294b6
14b98c5
158d093
hex6d9f5

449013 has 8 divisors (see below), whose sum is σ = 605248. Its totient is φ = 296064.

The previous prime is 449011. The next prime is 449051. The reversal of 449013 is 310944.

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

It is not a de Polignac number, because 449013 - 21 = 449011 is a prime.

It is a super-2 number, since 2×4490132 = 403225348338, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449011) 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 7 ways as a sum of consecutive naturals, for example, 481 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (75656).

2449013 is an apocalyptic number.

It is an amenable number.

449013 is a deficient number, since it is larger than the sum of its proper divisors (156235).

449013 is a wasteful number, since it uses less digits than its factorization.

449013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643.

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

The square root of 449013 is about 670.0843230520. The cubic root of 449013 is about 76.5748764943.

Adding to 449013 its reverse (310944), we get a palindrome (759957).

The spelling of 449013 in words is "four hundred forty-nine thousand, thirteen".

Divisors: 1 3 97 291 1543 4629 149671 449013