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142103 = 1317643
BaseRepresentation
bin100010101100010111
321012221002
4202230113
514021403
63013515
71131203
oct425427
9235832
10142103
1197845
126a29b
134c8b0
1439b03
152c188
hex22b17

142103 has 8 divisors (see below), whose sum is σ = 162288. Its totient is φ = 123264.

The previous prime is 142099. The next prime is 142111. The reversal of 142103 is 301241.

It is a happy number.

142103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142103 - 22 = 142099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142103.

It is not an unprimeable number, because it can be changed into a prime (142123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 542.

It is an arithmetic number, because the mean of its divisors is an integer number (20286).

2142103 is an apocalyptic number.

142103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142103 is a deficient number, since it is larger than the sum of its proper divisors (20185).

142103 is a wasteful number, since it uses less digits than its factorization.

142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 142103 is about 376.9655156642. The cubic root of 142103 is about 52.1836455375.

Adding to 142103 its reverse (301241), we get a palindrome (443344).

The spelling of 142103 in words is "one hundred forty-two thousand, one hundred three", and thus it is an iban number.

Divisors: 1 13 17 221 643 8359 10931 142103