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10397 = 37281
BaseRepresentation
bin10100010011101
3112021002
42202131
5313042
6120045
742212
oct24235
915232
1010397
1178a2
126025
13496a
143b09
153132
hex289d

10397 has 4 divisors (see below), whose sum is σ = 10716. Its totient is φ = 10080.

The previous prime is 10391. The next prime is 10399. The reversal of 10397 is 79301.

10397 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 8281 + 2116 = 91^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 10397 - 26 = 10333 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 177.

It is an arithmetic number, because the mean of its divisors is an integer number (2679).

210397 is an apocalyptic number.

It is an amenable number.

10397 is a deficient number, since it is larger than the sum of its proper divisors (319).

10397 is an equidigital number, since it uses as much as digits as its factorization.

10397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 10397 is about 101.9656805008. The cubic root of 10397 is about 21.8257586269.

Adding to 10397 its reverse (79301), we get a palindrome (89698).

The spelling of 10397 in words is "ten thousand, three hundred ninety-seven".

Divisors: 1 37 281 10397