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203097 = 367699
BaseRepresentation
bin110001100101011001
3101022121010
4301211121
522444342
64204133
71504056
oct614531
9338533
10203097
11129654
1299649
137159b
145402d
154029c
hex31959

203097 has 4 divisors (see below), whose sum is σ = 270800. Its totient is φ = 135396.

The previous prime is 203057. The next prime is 203117. The reversal of 203097 is 790302.

203097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 203097 - 28 = 202841 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 203097.

It is not an unprimeable number, because it can be changed into a prime (203017) 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, 33847 + ... + 33852.

It is an arithmetic number, because the mean of its divisors is an integer number (67700).

2203097 is an apocalyptic number.

It is an amenable number.

203097 is a deficient number, since it is larger than the sum of its proper divisors (67703).

203097 is an equidigital number, since it uses as much as digits as its factorization.

203097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67702.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 203097 is about 450.6628451515. The cubic root of 203097 is about 58.7806660485.

Adding to 203097 its reverse (790302), we get a palindrome (993399).

The spelling of 203097 in words is "two hundred three thousand, ninety-seven".

Divisors: 1 3 67699 203097