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10426 = 213401
BaseRepresentation
bin10100010111010
3112022011
42202322
5313201
6120134
742253
oct24272
915264
1010426
117919
12604a
134990
143b2a
153151
hex28ba

10426 has 8 divisors (see below), whose sum is σ = 16884. Its totient is φ = 4800.

The previous prime is 10399. The next prime is 10427. The reversal of 10426 is 62401.

10426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 225 = 101^2 + 15^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10427) 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, 175 + ... + 226.

10426 is a Friedman number, since it can be written as 401*26, using all its digits and the basic arithmetic operations.

210426 is an apocalyptic number.

10426 is a deficient number, since it is larger than the sum of its proper divisors (6458).

10426 is a wasteful number, since it uses less digits than its factorization.

10426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10426 is about 102.1077861870. The cubic root of 10426 is about 21.8460324054.

Adding to 10426 its reverse (62401), we get a palindrome (72827).

It can be divided in two parts, 104 and 26, that multiplied together give a square (2704 = 522).

The spelling of 10426 in words is "ten thousand, four hundred twenty-six".

Divisors: 1 2 13 26 401 802 5213 10426