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250424121 = 3109765823
BaseRepresentation
bin11101110110100…
…10101100111001
3122110012212022110
432323102230321
51003102032441
640503242533
76130366323
oct1673225471
9573185273
10250424121
111193a3392
126ba49449
133cb6076c
142538a613
1516eb9b16
hexeed2b39

250424121 has 8 divisors (see below), whose sum is σ = 336962560. Its totient is φ = 165417552.

The previous prime is 250424117. The next prime is 250424173. The reversal of 250424121 is 121424052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 250424121 - 22 = 250424117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250424521) 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 7 ways as a sum of consecutive naturals, for example, 382585 + ... + 383238.

It is an arithmetic number, because the mean of its divisors is an integer number (42120320).

Almost surely, 2250424121 is an apocalyptic number.

It is an amenable number.

250424121 is a deficient number, since it is larger than the sum of its proper divisors (86538439).

250424121 is a wasteful number, since it uses less digits than its factorization.

250424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765935.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 250424121 is about 15824.7945010354. The cubic root of 250424121 is about 630.3165630027.

Adding to 250424121 its reverse (121424052), we get a palindrome (371848173).

The spelling of 250424121 in words is "two hundred fifty million, four hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 3 109 327 765823 2297469 83474707 250424121