47431900 has 18 divisors (see below), whose sum is σ = 102927440. Its totient is φ = 18972720.

The previous prime is 47431897. The next prime is 47431903. The reversal of 47431900 is 913474.

47431900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47431897) and next prime (47431903).

It is a super-2 number, since 2×47431900² = 4499570275220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47431903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237060 + ... + 237259.

Almost surely, 2^47431900 is an apocalyptic number.

It is an amenable number.

47431900 is an abundant number, since it is smaller than the sum of its proper divisors (55495540).

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

47431900 is a wasteful number, since it uses less digits than its factorization.

47431900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474333 (or 474326 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 47431900 is about 6887.0821107346. The cubic root of 47431900 is about 361.9846660782.

The spelling of 47431900 in words is "forty-seven million, four hundred thirty-one thousand, nine hundred".