Search a number
-
+
438113 = 1367503
BaseRepresentation
bin1101010111101100001
3211020222102
41222331201
5103004423
613220145
73503204
oct1527541
9736872
10438113
1127a185
12191655
13124550
14b593b
1589c28
hex6af61

438113 has 8 divisors (see below), whose sum is σ = 479808. Its totient is φ = 397584.

The previous prime is 438091. The next prime is 438131. The reversal of 438113 is 311834.

It is a happy number.

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 438113 - 26 = 438049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (59976).

2438113 is an apocalyptic number.

It is an amenable number.

438113 is a deficient number, since it is larger than the sum of its proper divisors (41695).

438113 is a wasteful number, since it uses less digits than its factorization.

438113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its digits is 288, while the sum is 20.

The square root of 438113 is about 661.9010500067. The cubic root of 438113 is about 75.9501635415.

Adding to 438113 its reverse (311834), we get a palindrome (749947).

It can be divided in two parts, 4381 and 13, that multiplied together give a triangular number (56953 = T337).

The spelling of 438113 in words is "four hundred thirty-eight thousand, one hundred thirteen".

Divisors: 1 13 67 503 871 6539 33701 438113