280471230 has 96 divisors (see below), whose sum is σ = 800313696. Its totient is φ = 67721472.

The previous prime is 280471199. The next prime is 280471271. The reversal of 280471230 is 32174082.

280471230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×280471230² = 157328221715425800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280471194 and 280471203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59749 + ... + 64271.

It is an arithmetic number, because the mean of its divisors is an integer number (8336601).

Almost surely, 2^280471230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280471230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400156848).

280471230 is an abundant number, since it is smaller than the sum of its proper divisors (519842466).

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

280471230 is a wasteful number, since it uses less digits than its factorization.

280471230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602 (or 4599 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 280471230 is about 16747.2753007765. The cubic root of 280471230 is about 654.5800621958.

The spelling of 280471230 in words is "two hundred eighty million, four hundred seventy-one thousand, two hundred thirty".