305253036 has 120 divisors (see below), whose sum is σ = 892195920. Its totient is φ = 90201600.

The previous prime is 305253017. The next prime is 305253073. The reversal of 305253036 is 630352503.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 145080 + ... + 147168.

It is an arithmetic number, because the mean of its divisors is an integer number (7434966).

Almost surely, 2^305253036 is an apocalyptic number.

305253036 is a gapful number since it is divisible by the number (36) 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 305253036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446097960).

305253036 is an abundant number, since it is smaller than the sum of its proper divisors (586942884).

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

305253036 is a wasteful number, since it uses less digits than its factorization.

305253036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 305253036 is about 17471.4920942660. The cubic root of 305253036 is about 673.3176474687.

The spelling of 305253036 in words is "three hundred five million, two hundred fifty-three thousand, thirty-six".