47248831 has 32 divisors (see below), whose sum is σ = 60853248. Its totient is φ = 35735040.

The previous prime is 47248823. The next prime is 47248841. The reversal of 47248831 is 13884274.

It is a cyclic number.

It is not a de Polignac number, because 47248831 - 2³ = 47248823 is a prime.

It is a super-2 number, since 2×47248831² = 4464904061733122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47248841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166816 + ... + 167098.

It is an arithmetic number, because the mean of its divisors is an integer number (1901664).

Almost surely, 2^47248831 is an apocalyptic number.

47248831 is a deficient number, since it is larger than the sum of its proper divisors (13604417).

47248831 is a wasteful number, since it uses less digits than its factorization.

47248831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 43008, while the sum is 37.

The square root of 47248831 is about 6873.7785096699. The cubic root of 47248831 is about 361.5183581665.

The spelling of 47248831 in words is "forty-seven million, two hundred forty-eight thousand, eight hundred thirty-one".