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203012341 = 724143109
BaseRepresentation
bin11000001100110…
…11100011110101
3112011000002120121
430012123203311
5403432343331
632051131541
75013401500
oct1406334365
9464002517
10203012341
11a46601a4
1257ba3bb1
13330a045c
141cd68137
1512c51c11
hexc19b8f5

203012341 has 6 divisors (see below), whose sum is σ = 236157270. Its totient is φ = 174010536.

The previous prime is 203012311. The next prime is 203012347. The reversal of 203012341 is 143210302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172817316 + 30195025 = 13146^2 + 5495^2 .

It is not a de Polignac number, because 203012341 - 29 = 203011829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2071506 + ... + 2071603.

It is an arithmetic number, because the mean of its divisors is an integer number (39359545).

Almost surely, 2203012341 is an apocalyptic number.

It is an amenable number.

203012341 is a deficient number, since it is larger than the sum of its proper divisors (33144929).

203012341 is an equidigital number, since it uses as much as digits as its factorization.

203012341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143123 (or 4143116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203012341 is about 14248.2399263909. The cubic root of 203012341 is about 587.7249753135.

Adding to 203012341 its reverse (143210302), we get a palindrome (346222643).

The spelling of 203012341 in words is "two hundred three million, twelve thousand, three hundred forty-one".

Divisors: 1 7 49 4143109 29001763 203012341