100047480 has 128 divisors (see below), whose sum is σ = 329011200. Its totient is φ = 24187392.

The previous prime is 100047473. The next prime is 100047491. The reversal of 100047480 is 84740001.

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 100047480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91497 + ... + 92583.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^100047480 is an apocalyptic number.

100047480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100047480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164505600).

100047480 is an abundant number, since it is smaller than the sum of its proper divisors (228963720).

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

100047480 is a wasteful number, since it uses less digits than its factorization.

100047480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1169 counting only the distinct ones).

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

The square root of 100047480 is about 10002.3737182731. The cubic root of 100047480 is about 464.2323326172.

Adding to 100047480 its reverse (84740001), we get a palindrome (184787481).

The spelling of 100047480 in words is "one hundred million, forty-seven thousand, four hundred eighty".