47285100 has 144 divisors (see below), whose sum is σ = 154573440. Its totient is φ = 12398400.

The previous prime is 47285099. The next prime is 47285101. The reversal of 47285100 is 158274.

It is an interprime number because it is at equal distance from previous prime (47285099) and next prime (47285101).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47285101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223995 + ... + 224205.

Almost surely, 2^47285100 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 47285100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77286720).

47285100 is an abundant number, since it is smaller than the sum of its proper divisors (107288340).

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

47285100 is a wasteful number, since it uses less digits than its factorization.

47285100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 304 counting only the distinct ones).

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

The square root of 47285100 is about 6876.4162177693. The cubic root of 47285100 is about 361.6108370385.

The spelling of 47285100 in words is "forty-seven million, two hundred eighty-five thousand, one hundred".