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16238 = 223353
BaseRepresentation
bin11111101101110
3211021102
43331232
51004423
6203102
765225
oct37556
924242
1016238
1111222
129492
137511
145cbc
154c28
hex3f6e

16238 has 8 divisors (see below), whose sum is σ = 25488. Its totient is φ = 7744.

The previous prime is 16231. The next prime is 16249. The reversal of 16238 is 83261.

16238 is nontrivially palindromic in base 9.

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

16238 is an undulating number in base 9.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231) by changing a digit.

16238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 131 + ... + 222.

It is an arithmetic number, because the mean of its divisors is an integer number (3186).

216238 is an apocalyptic number.

16238 is a deficient number, since it is larger than the sum of its proper divisors (9250).

16238 is a wasteful number, since it uses less digits than its factorization.

16238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

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

The square root of 16238 is about 127.4284112747. The cubic root of 16238 is about 25.3227487330.

Adding to 16238 its reverse (83261), we get a palindrome (99499).

The spelling of 16238 in words is "sixteen thousand, two hundred thirty-eight".

Divisors: 1 2 23 46 353 706 8119 16238