47130100 has 18 divisors (see below), whose sum is σ = 102272534. Its totient is φ = 18852000.

The previous prime is 47130071. The next prime is 47130101. The reversal of 47130100 is 103174.

It can be written as a sum of positive squares in 3 ways, for example, as 535824 + 46594276 = 732^2 + 6826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47130101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235551 + ... + 235750.

Almost surely, 2^47130100 is an apocalyptic number.

It is an amenable number.

47130100 is an abundant number, since it is smaller than the sum of its proper divisors (55142434).

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

47130100 is a wasteful number, since it uses less digits than its factorization.

47130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471315 (or 471308 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 47130100 is about 6865.1365609141. The cubic root of 47130100 is about 361.2152858331.

Adding to 47130100 its reverse (103174), we get a palindrome (47233274).

The spelling of 47130100 in words is "forty-seven million, one hundred thirty thousand, one hundred".