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203140241 = 3116374003
BaseRepresentation
bin11000001101110…
…10110010010001
3112011020121000122
430012322302101
5404000441431
632054000025
75014443413
oct1406726221
9464217018
10203140241
11a47382a7
1258046015
1333116735
141cd9c9b3
1512c79a7b
hexc1bac91

203140241 has 8 divisors (see below), whose sum is σ = 209873664. Its totient is φ = 196418160.

The previous prime is 203140211. The next prime is 203140261. The reversal of 203140241 is 142041302.

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 203140241 - 26 = 203140177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203140211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48746 + ... + 52748.

It is an arithmetic number, because the mean of its divisors is an integer number (26234208).

Almost surely, 2203140241 is an apocalyptic number.

It is an amenable number.

203140241 is a deficient number, since it is larger than the sum of its proper divisors (6733423).

203140241 is a wasteful number, since it uses less digits than its factorization.

203140241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203140241 is about 14252.7274933607. The cubic root of 203140241 is about 587.8483737951.

Adding to 203140241 its reverse (142041302), we get a palindrome (345181543).

The spelling of 203140241 in words is "two hundred three million, one hundred forty thousand, two hundred forty-one".

Divisors: 1 31 1637 4003 50747 124093 6552911 203140241