Search a number
-
+
124208 = 2471109
BaseRepresentation
bin11110010100110000
320022101022
4132110300
512433313
62355012
71025060
oct362460
9208338
10124208
1185357
125ba68
13446c6
14333a0
1526c08
hex1e530

124208 has 20 divisors (see below), whose sum is σ = 275280. Its totient is φ = 53184.

The previous prime is 124199. The next prime is 124213. The reversal of 124208 is 802421.

It is an unprimeable number.

124208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (13764).

2124208 is an apocalyptic number.

It is an amenable number.

124208 is an abundant number, since it is smaller than the sum of its proper divisors (151072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124208 is a wasteful number, since it uses less digits than its factorization.

124208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 124208 is about 352.4315536384. The cubic root of 124208 is about 49.8941761844.

Adding to 124208 its reverse (802421), we get a palindrome (926629).

The spelling of 124208 in words is "one hundred twenty-four thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 1109 2218 4436 7763 8872 15526 17744 31052 62104 124208