293012140 has 24 divisors (see below), whose sum is σ = 616416192. Its totient is φ = 116997120.

The previous prime is 293012107. The next prime is 293012149. The reversal of 293012140 is 41210392.

It is a super-2 number, since 2×293012140² = 171712228374759200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (293012149) 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 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 24235.

It is an arithmetic number, because the mean of its divisors is an integer number (25684008).

Almost surely, 2^293012140 is an apocalyptic number.

293012140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

293012140 is an abundant number, since it is smaller than the sum of its proper divisors (323404052).

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

293012140 is a wasteful number, since it uses less digits than its factorization.

293012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25977 (or 25975 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 293012140 is about 17117.5973781369. The cubic root of 293012140 is about 664.1943925688.

The spelling of 293012140 in words is "two hundred ninety-three million, twelve thousand, one hundred forty".