Search a number
-
+
142108 = 2235527
BaseRepresentation
bin100010101100011100
321012221021
4202230130
514021413
63013524
71131211
oct425434
9235837
10142108
119784a
126a2a4
134c8b5
1439b08
152c18d
hex22b1c

142108 has 6 divisors (see below), whose sum is σ = 248696. Its totient is φ = 71052.

The previous prime is 142099. The next prime is 142111. The reversal of 142108 is 801241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142091 and 142100.

It is a congruent number.

It is an unprimeable number.

142108 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 as a sum of consecutive naturals, namely, 17760 + ... + 17767.

2142108 is an apocalyptic number.

142108 is the 202-nd centered heptagonal number.

It is an amenable number.

142108 is a deficient number, since it is larger than the sum of its proper divisors (106588).

142108 is a wasteful number, since it uses less digits than its factorization.

142108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35531 (or 35529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 142108 is about 376.9721475123. The cubic root of 142108 is about 52.1842575704.

Adding to 142108 its reverse (801241), we get a palindrome (943349).

The spelling of 142108 in words is "one hundred forty-two thousand, one hundred eight".

Divisors: 1 2 4 35527 71054 142108