232293780 has 72 divisors (see below), whose sum is σ = 746082792. Its totient is φ = 58300416.

The previous prime is 232293773. The next prime is 232293793. The reversal of 232293780 is 87392232.

It can be written as a sum of positive squares in 4 ways, for example, as 76842756 + 155451024 = 8766^2 + 12468^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34897 + ... + 41016.

It is an arithmetic number, because the mean of its divisors is an integer number (10362261).

Almost surely, 2^232293780 is an apocalyptic number.

232293780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232293780 is an abundant number, since it is smaller than the sum of its proper divisors (513789012).

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

232293780 is a wasteful number, since it uses less digits than its factorization.

232293780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75945 (or 75940 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 232293780 is about 15241.1869616510. The cubic root of 232293780 is about 614.7226193112.

The spelling of 232293780 in words is "two hundred thirty-two million, two hundred ninety-three thousand, seven hundred eighty".