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1203142 = 21095519
BaseRepresentation
bin100100101101111000110
32021010101211
410211233012
5302000032
641442034
713140463
oct4455706
92233354
101203142
11751a36
124a031a
13331825
1423466a
1518b747
hex125bc6

1203142 has 8 divisors (see below), whose sum is σ = 1821600. Its totient is φ = 595944.

The previous prime is 1203127. The next prime is 1203149. The reversal of 1203142 is 2413021.

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

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203149) 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 3 ways as a sum of consecutive naturals, for example, 2542 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (227700).

21203142 is an apocalyptic number.

1203142 is a deficient number, since it is larger than the sum of its proper divisors (618458).

1203142 is a wasteful number, since it uses less digits than its factorization.

1203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1203142 is about 1096.8782977158. The cubic root of 1203142 is about 106.3585225672.

Adding to 1203142 its reverse (2413021), we get a palindrome (3616163).

The spelling of 1203142 in words is "one million, two hundred three thousand, one hundred forty-two".

Divisors: 1 2 109 218 5519 11038 601571 1203142