10247280 has 40 divisors (see below), whose sum is σ = 31767312. Its totient is φ = 2732544.

The previous prime is 10247273. The next prime is 10247291. The reversal of 10247280 is 8274201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10247280.

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 7 ways as a sum of consecutive naturals, for example, 21109 + ... + 21588.

Almost surely, 2^10247280 is an apocalyptic number.

10247280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10247280 is an abundant number, since it is smaller than the sum of its proper divisors (21520032).

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

10247280 is a wasteful number, since it uses less digits than its factorization.

10247280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42713 (or 42707 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 10247280 is about 3201.1372978990. The cubic root of 10247280 is about 217.2048579712.

The spelling of 10247280 in words is "ten million, two hundred forty-seven thousand, two hundred eighty".