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203038 = 2112839
BaseRepresentation
bin110001100100011110
3101022111221
4301210132
522444123
64203554
71503643
oct614436
9338457
10203038
11129600
12995ba
1371554
1453dca
154025d
hex3191e

203038 has 12 divisors (see below), whose sum is σ = 335160. Its totient is φ = 92180.

The previous prime is 203023. The next prime is 203039. The reversal of 203038 is 830302.

It is a happy number.

203038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203039) by changing a digit.

203038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (27930).

2203038 is an apocalyptic number.

203038 is a deficient number, since it is larger than the sum of its proper divisors (132122).

203038 is a wasteful number, since it uses less digits than its factorization.

203038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 852 counting only the distinct ones).

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

The square root of 203038 is about 450.5973812618. The cubic root of 203038 is about 58.7749735384.

Subtracting 203038 from its reverse (830302), we obtain a square (627264 = 7922).

The spelling of 203038 in words is "two hundred three thousand, thirty-eight".

Divisors: 1 2 11 22 121 242 839 1678 9229 18458 101519 203038