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200397 = 367997
BaseRepresentation
bin110000111011001101
3101011220010
4300323031
522403042
64143433
71463151
oct607315
9334803
10200397
1112761a
1297b79
13702a2
1453061
153e59c
hex30ecd

200397 has 8 divisors (see below), whose sum is σ = 271456. Its totient is φ = 131472.

The previous prime is 200383. The next prime is 200401. The reversal of 200397 is 793002.

200397 is nontrivially palindromic in base 12.

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

It is not a de Polignac number, because 200397 - 24 = 200381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (33932).

2200397 is an apocalyptic number.

It is an amenable number.

200397 is a deficient number, since it is larger than the sum of its proper divisors (71059).

200397 is an equidigital number, since it uses as much as digits as its factorization.

200397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

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

The square root of 200397 is about 447.6572349466. The cubic root of 200397 is about 58.5190236910.

Adding to 200397 its reverse (793002), we get a palindrome (993399).

The spelling of 200397 in words is "two hundred thousand, three hundred ninety-seven".

Divisors: 1 3 67 201 997 2991 66799 200397