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203012441 = 297000429
BaseRepresentation
bin11000001100110…
…11100101011001
3112011000002201022
430012123211121
5403432344231
632051132225
75013402002
oct1406334531
9464002638
10203012441
11a4660285
1257ba4075
13330a0508
141cd681a9
1512c51c7b
hexc19b959

203012441 has 4 divisors (see below), whose sum is σ = 210012900. Its totient is φ = 196011984.

The previous prime is 203012423. The next prime is 203012449. The reversal of 203012441 is 144210302.

203012441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110775625 + 92236816 = 10525^2 + 9604^2 .

It is a cyclic number.

It is not a de Polignac number, because 203012441 - 218 = 202750297 is a prime.

It is a Duffinian number.

203012441 is a modest number, since divided by 12441 gives 203 as remainder.

It is not an unprimeable number, because it can be changed into a prime (203012449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500186 + ... + 3500243.

It is an arithmetic number, because the mean of its divisors is an integer number (52503225).

Almost surely, 2203012441 is an apocalyptic number.

It is an amenable number.

203012441 is a deficient number, since it is larger than the sum of its proper divisors (7000459).

203012441 is an equidigital number, since it uses as much as digits as its factorization.

203012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000458.

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

The square root of 203012441 is about 14248.2434355958. The cubic root of 203012441 is about 587.7250718142.

Adding to 203012441 its reverse (144210302), we get a palindrome (347222743).

The spelling of 203012441 in words is "two hundred three million, twelve thousand, four hundred forty-one".

Divisors: 1 29 7000429 203012441