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203443041 = 3139487873
BaseRepresentation
bin11000010000001…
…00101101100001
3112011210222101110
430020010231201
5404040134131
632104253533
75020144254
oct1410045541
9464728343
10203443041
11a492484a
12581712a9
13331c14c9
141d03b09b
1512cd9646
hexc204b61

203443041 has 8 divisors (see below), whose sum is σ = 273209440. Its totient is φ = 134652672.

The previous prime is 203443039. The next prime is 203443061. The reversal of 203443041 is 140344302.

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

It is not a de Polignac number, because 203443041 - 21 = 203443039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203442999 and 203443017.

It is not an unprimeable number, because it can be changed into a prime (203443061) 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, 243520 + ... + 244353.

It is an arithmetic number, because the mean of its divisors is an integer number (34151180).

Almost surely, 2203443041 is an apocalyptic number.

It is an amenable number.

203443041 is a deficient number, since it is larger than the sum of its proper divisors (69766399).

203443041 is a wasteful number, since it uses less digits than its factorization.

203443041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488015.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203443041 is about 14263.3460660534. The cubic root of 203443041 is about 588.1403102386.

Adding to 203443041 its reverse (140344302), we get a palindrome (343787343).

The spelling of 203443041 in words is "two hundred three million, four hundred forty-three thousand, forty-one".

Divisors: 1 3 139 417 487873 1463619 67814347 203443041