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250325780 = 22512516289
BaseRepresentation
bin11101110101110…
…10101100010100
3122110000212102012
432322322230110
51003040411110
640501203352
76126506525
oct1672725424
9573025365
10250325780
11119336511
126ba00558
133cb27a83
142536284c
1516e9a905
hexeebab14

250325780 has 12 divisors (see below), whose sum is σ = 525684180. Its totient is φ = 100130304.

The previous prime is 250325771. The next prime is 250325791. The reversal of 250325780 is 87523052.

250325780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 211935364 = 6196^2 + 14558^2 .

It is a super-2 number, since 2×2503257802 = 125325992265216800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6258125 + ... + 6258164.

It is an arithmetic number, because the mean of its divisors is an integer number (43807015).

Almost surely, 2250325780 is an apocalyptic number.

250325780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250325780 is an abundant number, since it is smaller than the sum of its proper divisors (275358400).

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

250325780 is a wasteful number, since it uses less digits than its factorization.

250325780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516298 (or 12516296 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 250325780 is about 15821.6870149804. The cubic root of 250325780 is about 630.2340442254.

The spelling of 250325780 in words is "two hundred fifty million, three hundred twenty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 12516289 25032578 50065156 62581445 125162890 250325780