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203342223 = 379682963
BaseRepresentation
bin11000001111011…
…00000110001111
3112011121212002110
430013230012033
5404023422343
632102155103
75016244320
oct1407540617
9464555073
10203342223
11a4866027
1258122a93
1333187656
141d012447
1512cb9833
hexc1ec18f

203342223 has 8 divisors (see below), whose sum is σ = 309854848. Its totient is φ = 116195544.

The previous prime is 203342221. The next prime is 203342231. The reversal of 203342223 is 322243302.

203342223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 203342223 - 21 = 203342221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9682963 = 203342223 / (2 + 0 + 3 + 3 + 4 + 2 + 2 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203342223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203342221) 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, 4841461 + ... + 4841502.

It is an arithmetic number, because the mean of its divisors is an integer number (38731856).

Almost surely, 2203342223 is an apocalyptic number.

203342223 is a deficient number, since it is larger than the sum of its proper divisors (106512625).

203342223 is an equidigital number, since it uses as much as digits as its factorization.

203342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682973.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 203342223 is about 14259.8114643918. The cubic root of 203342223 is about 588.0431414734.

Adding to 203342223 its reverse (322243302), we get a palindrome (525585525).

The spelling of 203342223 in words is "two hundred three million, three hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 3 7 21 9682963 29048889 67780741 203342223