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250268725 = 5272204301
BaseRepresentation
bin11101110101011…
…00110000110101
3122102220222011001
432322230300311
51003032044400
640500043301
76126151300
oct1672546065
9572828131
10250268725
111192a7663
126b993531
133cb07b05
1425349b37
1516e88a6a
hexeeacc35

250268725 has 18 divisors (see below), whose sum is σ = 361001634. Its totient is φ = 171612000.

The previous prime is 250268717. The next prime is 250268731. The reversal of 250268725 is 527862052.

It can be written as a sum of positive squares in 3 ways, for example, as 74494161 + 175774564 = 8631^2 + 13258^2 .

It is not a de Polignac number, because 250268725 - 23 = 250268717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100926 + ... + 103375.

Almost surely, 2250268725 is an apocalyptic number.

250268725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250268725 is a deficient number, since it is larger than the sum of its proper divisors (110732909).

250268725 is a wasteful number, since it uses less digits than its factorization.

250268725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204325 (or 204313 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 250268725 is about 15819.8838491311. The cubic root of 250268725 is about 630.1861589782.

The spelling of 250268725 in words is "two hundred fifty million, two hundred sixty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 35 49 175 245 1225 204301 1021505 1430107 5107525 7150535 10010749 35752675 50053745 250268725