10245780 has 36 divisors (see below), whose sum is σ = 31079412. Its totient is φ = 2732160.

The previous prime is 10245751. The next prime is 10245793. The reversal of 10245780 is 8754201.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 3370896 = 2622^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28281 + ... + 28640.

It is an arithmetic number, because the mean of its divisors is an integer number (863317).

Almost surely, 2^10245780 is an apocalyptic number.

10245780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10245780 is an abundant number, since it is smaller than the sum of its proper divisors (20833632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10245780 is a wasteful number, since it uses less digits than its factorization.

10245780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56936 (or 56931 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 10245780 is about 3200.9029975930. The cubic root of 10245780 is about 217.1942592828.

Adding to 10245780 its reverse (8754201), we get a palindrome (18999981).

It can be divided in two parts, 10245 and 780, that added together give a square (11025 = 105²).

The spelling of 10245780 in words is "ten million, two hundred forty-five thousand, seven hundred eighty".