308053252 has 24 divisors (see below), whose sum is σ = 581368536. Its totient is φ = 141980928.

The previous prime is 308053223. The next prime is 308053253. The reversal of 308053252 is 252350803.

It can be written as a sum of positive squares in 4 ways, for example, as 1943236 + 306110016 = 1394^2 + 17496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 308053252.

It is not an unprimeable number, because it can be changed into a prime (308053253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37728 + ... + 45160.

It is an arithmetic number, because the mean of its divisors is an integer number (24223689).

Almost surely, 2^308053252 is an apocalyptic number.

It is an amenable number.

308053252 is a deficient number, since it is larger than the sum of its proper divisors (273315284).

308053252 is a wasteful number, since it uses less digits than its factorization.

308053252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 308053252 is about 17551.4458663667. The cubic root of 308053252 is about 675.3702601458.

The spelling of 308053252 in words is "three hundred eight million, fifty-three thousand, two hundred fifty-two".