231464500 has 48 divisors (see below), whose sum is σ = 513873360. Its totient is φ = 91056000.

The previous prime is 231464491. The next prime is 231464521. The reversal of 231464500 is 5464132.

It can be written as a sum of positive squares in 8 ways, for example, as 207532836 + 23931664 = 14406^2 + 4892^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26706 + ... + 34294.

It is an arithmetic number, because the mean of its divisors is an integer number (10705695).

Almost surely, 2^231464500 is an apocalyptic number.

231464500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231464500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256936680).

231464500 is an abundant number, since it is smaller than the sum of its proper divisors (282408860).

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

231464500 is a wasteful number, since it uses less digits than its factorization.

231464500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7657 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 231464500 is about 15213.9574075912. The cubic root of 231464500 is about 613.9902349312.

The spelling of 231464500 in words is "two hundred thirty-one million, four hundred sixty-four thousand, five hundred".