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10256 = 24641
BaseRepresentation
bin10100000010000
3112001212
42200100
5312011
6115252
741621
oct24020
915055
1010256
117784
125b28
13488c
143a48
15308b
hex2810

10256 has 10 divisors (see below), whose sum is σ = 19902. Its totient is φ = 5120.

The previous prime is 10253. The next prime is 10259. The reversal of 10256 is 65201.

It is an interprime number because it is at equal distance from previous prime (10253) and next prime (10259).

It can be written as a sum of positive squares in only one way, i.e., 10000 + 256 = 100^2 + 16^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 10256.

It is not an unprimeable number, because it can be changed into a prime (10253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305 + ... + 336.

210256 is an apocalyptic number.

10256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10256 is a deficient number, since it is larger than the sum of its proper divisors (9646).

10256 is an equidigital number, since it uses as much as digits as its factorization.

10256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10256 is about 101.2719112094. The cubic root of 10256 is about 21.7266451206.

Adding to 10256 its reverse (65201), we get a palindrome (75457).

Subtracting 10256 from its reverse (65201), we obtain a palindrome (54945).

The spelling of 10256 in words is "ten thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 641 1282 2564 5128 10256