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142203 = 3107443
BaseRepresentation
bin100010101101111011
321020001210
4202231323
514022303
63014203
71131405
oct425573
9236053
10142203
1197926
126a363
134c959
1439b75
152c203
hex22b7b

142203 has 8 divisors (see below), whose sum is σ = 191808. Its totient is φ = 93704.

The previous prime is 142193. The next prime is 142211. The reversal of 142203 is 302241.

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 142203 - 210 = 141179 is a prime.

142203 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142203.

It is not an unprimeable number, because it can be changed into a prime (142223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 542.

It is an arithmetic number, because the mean of its divisors is an integer number (23976).

2142203 is an apocalyptic number.

142203 is a deficient number, since it is larger than the sum of its proper divisors (49605).

142203 is a wasteful number, since it uses less digits than its factorization.

142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 142203 is about 377.0981304647. The cubic root of 142203 is about 52.1958834704.

Adding to 142203 its reverse (302241), we get a palindrome (444444).

The spelling of 142203 in words is "one hundred forty-two thousand, two hundred three", and thus it is an iban number.

Divisors: 1 3 107 321 443 1329 47401 142203