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203230 = 2520323
BaseRepresentation
bin110001100111011110
3101022210001
4301213132
523000410
64204514
71504336
oct614736
9338701
10203230
11129765
129973a
1371671
14540c6
154033a
hex319de

203230 has 8 divisors (see below), whose sum is σ = 365832. Its totient is φ = 81288.

The previous prime is 203227. The next prime is 203233. The reversal of 203230 is 32302.

Adding to 203230 its reverse (32302), we get a palindrome (235532).

It is an interprime number because it is at equal distance from previous prime (203227) and next prime (203233).

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 20323 = 203230 / (2 + 0 + 3 + 2 + 3 + 0).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203233) 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, 10152 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (45729).

2203230 is an apocalyptic number.

203230 is a deficient number, since it is larger than the sum of its proper divisors (162602).

203230 is a wasteful number, since it uses less digits than its factorization.

203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 203230 is about 450.8103814244. The cubic root of 203230 is about 58.7934942746.

The spelling of 203230 in words is "two hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 20323 40646 101615 203230