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108142 = 2139389
BaseRepresentation
bin11010011001101110
312111100021
4122121232
511430032
62152354
7630166
oct323156
9174307
10108142
1174281
12526ba
133a2b8
142b5a6
1522097
hex1a66e

108142 has 8 divisors (see below), whose sum is σ = 163800. Its totient is φ = 53544.

The previous prime is 108139. The next prime is 108161. The reversal of 108142 is 241801.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 472.

It is an arithmetic number, because the mean of its divisors is an integer number (20475).

2108142 is an apocalyptic number.

108142 is a deficient number, since it is larger than the sum of its proper divisors (55658).

108142 is a wasteful number, since it uses less digits than its factorization.

108142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

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

The square root of 108142 is about 328.8495096545. The cubic root of 108142 is about 47.6428938026.

Adding to 108142 its reverse (241801), we get a palindrome (349943).

It can be divided in two parts, 10814 and 2, that added together give a square (10816 = 1042).

The spelling of 108142 in words is "one hundred eight thousand, one hundred forty-two".

Divisors: 1 2 139 278 389 778 54071 108142