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203042319 = 383815431
BaseRepresentation
bin11000001101000…
…10111000001111
3112011001121200220
430012202320033
5403434323234
632051522423
75013555054
oct1406427017
9464047626
10203042319
11a4680777
1257bb9413
13330b0cac
141cd7502b
1512c5aa49
hexc1a2e0f

203042319 has 8 divisors (see below), whose sum is σ = 273985152. Its totient is φ = 133730520.

The previous prime is 203042317. The next prime is 203042327. The reversal of 203042319 is 913240302.

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

It is not a de Polignac number, because 203042319 - 21 = 203042317 is a prime.

It is a super-2 number, since 2×2030423192 = 82452366609795522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203042317) 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, 407467 + ... + 407964.

It is an arithmetic number, because the mean of its divisors is an integer number (34248144).

Almost surely, 2203042319 is an apocalyptic number.

203042319 is a deficient number, since it is larger than the sum of its proper divisors (70942833).

203042319 is an equidigital number, since it uses as much as digits as its factorization.

203042319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815517.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 203042319 is about 14249.2918771425. The cubic root of 203042319 is about 587.7539028688.

The spelling of 203042319 in words is "two hundred three million, forty-two thousand, three hundred nineteen".

Divisors: 1 3 83 249 815431 2446293 67680773 203042319