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10245 = 35683
BaseRepresentation
bin10100000000101
3112001110
42200011
5311440
6115233
741604
oct24005
915043
1010245
117774
125b19
134881
143a3b
153080
hex2805

10245 has 8 divisors (see below), whose sum is σ = 16416. Its totient is φ = 5456.

The previous prime is 10243. The next prime is 10247. The reversal of 10245 is 54201.

Adding to 10245 its reverse (54201), we get a palindrome (64446).

Subtracting 10245 from its reverse (54201), we obtain a triangular number (43956 = T296).

10245 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (10243) and next prime (10247).

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

It is a cyclic number.

It is not a de Polignac number, because 10245 - 21 = 10243 is a prime.

It is a nialpdrome in base 11.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 10245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243) 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, 327 + ... + 356.

It is an arithmetic number, because the mean of its divisors is an integer number (2052).

10245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10245 is a deficient number, since it is larger than the sum of its proper divisors (6171).

10245 is an equidigital number, since it uses as much as digits as its factorization.

10245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10245 is about 101.2175874046. The cubic root of 10245 is about 21.7188747556.

The spelling of 10245 in words is "ten thousand, two hundred forty-five".

Divisors: 1 3 5 15 683 2049 3415 10245