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203000342 = 2101500171
BaseRepresentation
bin11000001100110…
…00101000010110
3112010222111010012
430012120220112
5403432002332
632051000222
75013321506
oct1406305026
9463874105
10203000342
11a4652186
1257b99072
1333097b5c
141cd63a06
1512c4d3b2
hexc198a16

203000342 has 4 divisors (see below), whose sum is σ = 304500516. Its totient is φ = 101500170.

The previous prime is 203000333. The next prime is 203000381. The reversal of 203000342 is 243000302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243000302 = 2121500151.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50750084 + ... + 50750087.

It is an arithmetic number, because the mean of its divisors is an integer number (76125129).

Almost surely, 2203000342 is an apocalyptic number.

203000342 is a deficient number, since it is larger than the sum of its proper divisors (101500174).

203000342 is a wasteful number, since it uses less digits than its factorization.

203000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101500173.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 203000342 is about 14247.8188506171. The cubic root of 203000342 is about 587.7133959666.

Adding to 203000342 its reverse (243000302), we get a palindrome (446000644).

The spelling of 203000342 in words is "two hundred three million, three hundred forty-two", and thus it is an aban number.

Divisors: 1 2 101500171 203000342