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20232203 = 23879661
BaseRepresentation
bin100110100101…
…1100000001011
31102001220100212
41031023200023
520134412303
62001351335
7333654005
oct115134013
942056325
1020232203
1110469832
12693854b
134265024
142989375
151b99ad8
hex134b80b

20232203 has 4 divisors (see below), whose sum is σ = 21111888. Its totient is φ = 19352520.

The previous prime is 20232197. The next prime is 20232211. The reversal of 20232203 is 30223202.

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

It is a cyclic number.

It is not a de Polignac number, because 20232203 - 26 = 20232139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439808 + ... + 439853.

It is an arithmetic number, because the mean of its divisors is an integer number (5277972).

Almost surely, 220232203 is an apocalyptic number.

20232203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20232203 is a deficient number, since it is larger than the sum of its proper divisors (879685).

20232203 is an equidigital number, since it uses as much as digits as its factorization.

20232203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879684.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20232203 is about 4498.0221208882. The cubic root of 20232203 is about 272.4882154093.

Adding to 20232203 its reverse (30223202), we get a palindrome (50455405).

Subtracting 20232203 from its reverse (30223202), we obtain a palindrome (9990999).

The spelling of 20232203 in words is "twenty million, two hundred thirty-two thousand, two hundred three".

Divisors: 1 23 879661 20232203