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250889424 = 24318892767
BaseRepresentation
bin11101111010001…
…00010011010000
3122111002111120220
432331010103100
51003211430144
640521233040
76134345022
oct1675042320
9574074526
10250889424
11119690a35
1270032780
133cc944a6
142546c012
151705c919
hexef444d0

250889424 has 40 divisors (see below), whose sum is σ = 648708480. Its totient is φ = 83555328.

The previous prime is 250889413. The next prime is 250889447. The reversal of 250889424 is 424988052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89289 + ... + 92055.

It is an arithmetic number, because the mean of its divisors is an integer number (16217712).

Almost surely, 2250889424 is an apocalyptic number.

250889424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

250889424 is an abundant number, since it is smaller than the sum of its proper divisors (397819056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250889424 is a wasteful number, since it uses less digits than its factorization.

250889424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 250889424 is about 15839.4893857094. The cubic root of 250889424 is about 630.7067100924.

The spelling of 250889424 in words is "two hundred fifty million, eight hundred eighty-nine thousand, four hundred twenty-four".