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250008425 = 5246321599
BaseRepresentation
bin11101110011011…
…01001101101001
3122102102202002022
432321231031221
51003000232200
640450314225
76124015352
oct1671551551
9572382068
10250008425
1111913a037
126b888975
133ca464a4
14252bcd29
1516e36885
hexee6d369

250008425 has 12 divisors (see below), whose sum is σ = 310694400. Its totient is φ = 199565520.

The previous prime is 250008419. The next prime is 250008427. The reversal of 250008425 is 524800052.

It is not a de Polignac number, because 250008425 - 26 = 250008361 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 250008394 and 250008403.

It is not an unprimeable number, because it can be changed into a prime (250008427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 776 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (25891200).

Almost surely, 2250008425 is an apocalyptic number.

250008425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250008425 is a deficient number, since it is larger than the sum of its proper divisors (60685975).

250008425 is a wasteful number, since it uses less digits than its factorization.

250008425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22072 (or 22067 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 250008425 is about 15811.6547204902. The cubic root of 250008425 is about 629.9676014245.

Adding to 250008425 its reverse (524800052), we get a palindrome (774808477).

The spelling of 250008425 in words is "two hundred fifty million, eight thousand, four hundred twenty-five".

Divisors: 1 5 25 463 2315 11575 21599 107995 539975 10000337 50001685 250008425