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250542141 = 3174912591
BaseRepresentation
bin11101110111011…
…11100000111101
3122110102212012120
432323233200331
51003114322031
640505553153
76131400363
oct1673574075
9573385176
10250542141
11119474023
126baa57b9
133cba23b5
14253bb633
1516edea96
hexeeef83d

250542141 has 8 divisors (see below), whose sum is σ = 353706624. Its totient is φ = 157202880.

The previous prime is 250542139. The next prime is 250542167. The reversal of 250542141 is 141245052.

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

It is not a de Polignac number, because 250542141 - 21 = 250542139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250542121) 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, 2456245 + ... + 2456346.

It is an arithmetic number, because the mean of its divisors is an integer number (44213328).

Almost surely, 2250542141 is an apocalyptic number.

It is an amenable number.

250542141 is a deficient number, since it is larger than the sum of its proper divisors (103164483).

250542141 is a wasteful number, since it uses less digits than its factorization.

250542141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912611.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 250542141 is about 15828.5230201684. The cubic root of 250542141 is about 630.4155660824.

Adding to 250542141 its reverse (141245052), we get a palindrome (391787193).

The spelling of 250542141 in words is "two hundred fifty million, five hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 17 51 4912591 14737773 83514047 250542141