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250243425 = 3452191647
BaseRepresentation
bin11101110101001…
…10100101100001
3122102212200110000
432322212211201
51003030242200
640455330213
76126014445
oct1672464541
9572780400
10250243425
1111928a653
126b980969
133cac9443
1425340825
1516e81300
hexeea6961

250243425 has 60 divisors (see below), whose sum is σ = 466684416. Its totient is φ = 132559200.

The previous prime is 250243421. The next prime is 250243453. The reversal of 250243425 is 524342052.

It is a happy number.

It is not a de Polignac number, because 250243425 - 22 = 250243421 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (250243421) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 386452 + ... + 387098.

Almost surely, 2250243425 is an apocalyptic number.

250243425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250243425 is a deficient number, since it is larger than the sum of its proper divisors (216440991).

250243425 is a wasteful number, since it uses less digits than its factorization.

250243425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 250243425 is about 15819.0842023171. The cubic root of 250243425 is about 630.1649228088.

Adding to 250243425 its reverse (524342052), we get a palindrome (774585477).

The spelling of 250243425 in words is "two hundred fifty million, two hundred forty-three thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 191 225 405 573 647 675 955 1719 1941 2025 2865 3235 4775 5157 5823 8595 9705 14325 15471 16175 17469 25785 29115 42975 48525 52407 77355 87345 123577 128925 145575 262035 370731 386775 436725 617885 1112193 1310175 1853655 3089425 3336579 5560965 9268275 10009737 16682895 27804825 50048685 83414475 250243425