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250008028 = 2262502007
BaseRepresentation
bin11101110011011…
…01000111011100
3122102102201112121
432321231013130
51003000224103
640450312324
76124014244
oct1671550734
9572381477
10250008028
11119139806
126b8886a4
133ca4625a
14252bcb24
1516e366bd
hexee6d1dc

250008028 has 6 divisors (see below), whose sum is σ = 437514056. Its totient is φ = 125004012.

The previous prime is 250008019. The next prime is 250008053. The reversal of 250008028 is 820800052.

It is a junction number, because it is equal to n+sod(n) for n = 250007993 and 250008011.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 31251000 + ... + 31251007.

Almost surely, 2250008028 is an apocalyptic number.

It is an amenable number.

250008028 is a deficient number, since it is larger than the sum of its proper divisors (187506028).

250008028 is a wasteful number, since it uses less digits than its factorization.

250008028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62502011 (or 62502009 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 250008028 is about 15811.6421664544. The cubic root of 250008028 is about 629.9672679727.

The spelling of 250008028 in words is "two hundred fifty million, eight thousand, twenty-eight".

Divisors: 1 2 4 62502007 125004014 250008028