247233152 has 32 divisors (see below), whose sum is σ = 496922580. Its totient is φ = 122515456.

The previous prime is 247233139. The next prime is 247233163. The reversal of 247233152 is 251332742.

247233152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 225480256 + 21752896 = 15016^2 + 4664^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×247233152² = 122248462895710208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918 + ... + 23010.

Almost surely, 2^247233152 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 247233152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248461290).

247233152 is an abundant number, since it is smaller than the sum of its proper divisors (249689428).

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

247233152 is a wasteful number, since it uses less digits than its factorization.

247233152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17220 (or 17208 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 247233152 is about 15723.6494491578. The cubic root of 247233152 is about 627.6278915846.

Adding to 247233152 its reverse (251332742), we get a palindrome (498565894).

The spelling of 247233152 in words is "two hundred forty-seven million, two hundred thirty-three thousand, one hundred fifty-two".