47945300 has 54 divisors (see below), whose sum is σ = 112699818. Its totient is φ = 17696640.

The previous prime is 47945297. The next prime is 47945333. The reversal of 47945300 is 354974.

It can be written as a sum of positive squares in 9 ways, for example, as 42432196 + 5513104 = 6514^2 + 2348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15482 + ... + 18318.

Almost surely, 2^47945300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47945300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56349909).

47945300 is an abundant number, since it is smaller than the sum of its proper divisors (64754518).

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

47945300 is a wasteful number, since it uses less digits than its factorization.

47945300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 47945300 is about 6924.2544725046. The cubic root of 47945300 is about 363.2860154036.

The spelling of 47945300 in words is "forty-seven million, nine hundred forty-five thousand, three hundred".