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250040225 = 5210397103
BaseRepresentation
bin11101110011101…
…00111110100001
3122102111100201002
432321310332201
51003002241400
640451121345
76124210151
oct1671647641
9572440632
10250040225
11119160a16
126b8a3255
133ca57ac6
14252ca761
1516e40ed5
hexee74fa1

250040225 has 12 divisors (see below), whose sum is σ = 313063296. Its totient is φ = 198088080.

The previous prime is 250040213. The next prime is 250040243. The reversal of 250040225 is 522040052.

It is not a de Polignac number, because 250040225 - 214 = 250023841 is a prime.

It is a super-2 number, since 2×2500402252 = 125040228236101250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250040197 and 250040206.

It is an unprimeable number.

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, 45977 + ... + 51126.

It is an arithmetic number, because the mean of its divisors is an integer number (26088608).

Almost surely, 2250040225 is an apocalyptic number.

250040225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250040225 is a deficient number, since it is larger than the sum of its proper divisors (63023071).

250040225 is a wasteful number, since it uses less digits than its factorization.

250040225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97216 (or 97211 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 250040225 is about 15812.6602758676. The cubic root of 250040225 is about 629.9943100183.

Adding to 250040225 its reverse (522040052), we get a palindrome (772080277).

The spelling of 250040225 in words is "two hundred fifty million, forty thousand, two hundred twenty-five".

Divisors: 1 5 25 103 515 2575 97103 485515 2427575 10001609 50008045 250040225