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10142 = 211461
BaseRepresentation
bin10011110011110
3111220122
42132132
5311032
6114542
741366
oct23636
914818
1010142
117690
125a52
134802
1439a6
153012
hex279e

10142 has 8 divisors (see below), whose sum is σ = 16632. Its totient is φ = 4600.

The previous prime is 10141. The next prime is 10151. The reversal of 10142 is 24101.

Adding to 10142 its reverse (24101), we get a palindrome (34243).

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209 + ... + 252.

It is an arithmetic number, because the mean of its divisors is an integer number (2079).

210142 is an apocalyptic number.

10142 is a deficient number, since it is larger than the sum of its proper divisors (6490).

10142 is a wasteful number, since it uses less digits than its factorization.

10142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10142 is about 100.7074972383. The cubic root of 10142 is about 21.6458445587.

The spelling of 10142 in words is "ten thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 461 922 5071 10142