Search a number
-
+
250143422 = 2163776403
BaseRepresentation
bin11101110100011…
…10001010111110
3122102200121021012
432322032022332
51003014042142
640453235222
76125120054
oct1672161276
9572617235
10250143422
11119221501
126b932b12
133ca92a79
14253161d4
1516e61882
hexee8e2be

250143422 has 8 divisors (see below), whose sum is σ = 375449256. Its totient is φ = 124993672.

The previous prime is 250143401. The next prime is 250143449. The reversal of 250143422 is 224341052.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 34928 + ... + 41475.

It is an arithmetic number, because the mean of its divisors is an integer number (46931157).

Almost surely, 2250143422 is an apocalyptic number.

250143422 is a deficient number, since it is larger than the sum of its proper divisors (125305834).

250143422 is a wasteful number, since it uses less digits than its factorization.

250143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78042.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 250143422 is about 15815.9230524178. The cubic root of 250143422 is about 630.0809688492.

Adding to 250143422 its reverse (224341052), we get a palindrome (474484474).

The spelling of 250143422 in words is "two hundred fifty million, one hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 1637 3274 76403 152806 125071711 250143422