10281428 has 24 divisors (see below), whose sum is σ = 18931080. Its totient is φ = 4878720.

The previous prime is 10281419. The next prime is 10281431. The reversal of 10281428 is 82418201.

10281428 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 4 ways, for example, as 1684804 + 8596624 = 1298^2 + 2932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10281397 and 10281406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6350 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (788795).

Almost surely, 2^10281428 is an apocalyptic number.

It is an amenable number.

10281428 is a deficient number, since it is larger than the sum of its proper divisors (8649652).

10281428 is a wasteful number, since it uses less digits than its factorization.

10281428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 10281428 is about 3206.4665911249. The cubic root of 10281428 is about 217.4458613657.

Adding to 10281428 its reverse (82418201), we get a palindrome (92699629).

The spelling of 10281428 in words is "ten million, two hundred eighty-one thousand, four hundred twenty-eight".