3005078250 has 64 divisors (see below), whose sum is σ = 7575130368. Its totient is φ = 793400000.

The previous prime is 3005078243. The next prime is 3005078261. The reversal of 3005078250 is 528705003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55915 + ... + 95585.

It is an arithmetic number, because the mean of its divisors is an integer number (118361412).

Almost surely, 2^3005078250 is an apocalyptic number.

3005078250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3005078250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3787565184).

3005078250 is an abundant number, since it is smaller than the sum of its proper divisors (4570052118).

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

3005078250 is a wasteful number, since it uses less digits than its factorization.

3005078250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39792 (or 39782 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3005078250 is about 54818.5940169939. The cubic root of 3005078250 is about 1443.0629008782.

The spelling of 3005078250 in words is "three billion, five million, seventy-eight thousand, two hundred fifty".