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103315 = 520663
BaseRepresentation
bin11001001110010011
312020201111
4121032103
511301230
62114151
7610132
oct311623
9166644
10103315
1170693
124b957
1338044
1429919
152092a
hex19393

103315 has 4 divisors (see below), whose sum is σ = 123984. Its totient is φ = 82648.

The previous prime is 103307. The next prime is 103319. The reversal of 103315 is 513301.

103315 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513301 = 3713873.

It is a cyclic number.

It is not a de Polignac number, because 103315 - 23 = 103307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103295 and 103304.

It is not an unprimeable number, because it can be changed into a prime (103319) 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, 10327 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2103315 is an apocalyptic number.

103315 is a deficient number, since it is larger than the sum of its proper divisors (20669).

103315 is an equidigital number, since it uses as much as digits as its factorization.

103315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20668.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 103315 is about 321.4265079299. The cubic root of 103315 is about 46.9232185306.

Adding to 103315 its reverse (513301), we get a palindrome (616616).

The spelling of 103315 in words is "one hundred three thousand, three hundred fifteen".

Divisors: 1 5 20663 103315