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250425243 = 339275009
BaseRepresentation
bin11101110110100…
…10111110011011
3122110012220212000
432323102332123
51003102101433
640503252043
76130402515
oct1673227633
9573186760
10250425243
111193a4212
126ba4a023
133cb61123
142538abb5
1516eba113
hexeed2f9b

250425243 has 8 divisors (see below), whose sum is σ = 371000400. Its totient is φ = 166950144.

The previous prime is 250425229. The next prime is 250425247. The reversal of 250425243 is 342524052.

It is a happy number.

It is not a de Polignac number, because 250425243 - 212 = 250421147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 9275009 = 250425243 / (2 + 5 + 0 + 4 + 2 + 5 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (250425247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4637478 + ... + 4637531.

It is an arithmetic number, because the mean of its divisors is an integer number (46375050).

Almost surely, 2250425243 is an apocalyptic number.

250425243 is a deficient number, since it is larger than the sum of its proper divisors (120575157).

250425243 is an equidigital number, since it uses as much as digits as its factorization.

250425243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275018 (or 9275012 counting only the distinct ones).

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

The square root of 250425243 is about 15824.8299516930. The cubic root of 250425243 is about 630.3175043579.

Adding to 250425243 its reverse (342524052), we get a palindrome (592949295).

The spelling of 250425243 in words is "two hundred fifty million, four hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 3 9 27 9275009 27825027 83475081 250425243