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203069 = 613329
BaseRepresentation
bin110001100100111101
3101022120002
4301210331
522444234
64204045
71504016
oct614475
9338502
10203069
11129629
1299625
1371579
145400d
154027e
hex3193d

203069 has 4 divisors (see below), whose sum is σ = 206460. Its totient is φ = 199680.

The previous prime is 203057. The next prime is 203117. The reversal of 203069 is 960302.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 168100 = 187^2 + 410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203069 is a prime.

It is a super-2 number, since 2×2030692 = 82474037522, which contains 22 as substring.

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 203069.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203069.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (51615).

2203069 is an apocalyptic number.

It is an amenable number.

203069 is a deficient number, since it is larger than the sum of its proper divisors (3391).

203069 is an equidigital number, since it uses as much as digits as its factorization.

203069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 203069 is about 450.6317787285. The cubic root of 203069 is about 58.7779646558. Note that the first 3 decimals are identical.

The spelling of 203069 in words is "two hundred three thousand, sixty-nine".

Divisors: 1 61 3329 203069