Base | Representation |
---|---|
bin | 11101110101001… |
… | …01110010001110 |
3 | 122102212111221102 |
4 | 32322211302032 |
5 | 1003030141032 |
6 | 40455303102 |
7 | 6126002045 |
oct | 1672456216 |
9 | 572774842 |
10 | 250240142 |
11 | 119288139 |
12 | 6b97aa92 |
13 | 3cac7ab9 |
14 | 2533d55c |
15 | 16e80362 |
hex | eea5c8e |
250240142 has 8 divisors (see below), whose sum is σ = 375668832. Its totient is φ = 125017200.
The previous prime is 250240141. The next prime is 250240183. The reversal of 250240142 is 241042052.
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 not an unprimeable number, because it can be changed into a prime (250240141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48359 + ... + 53282.
It is an arithmetic number, because the mean of its divisors is an integer number (46958604).
Almost surely, 2250240142 is an apocalyptic number.
250240142 is a deficient number, since it is larger than the sum of its proper divisors (125428690).
250240142 is a wasteful number, since it uses less digits than its factorization.
250240142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102874.
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 250240142 is about 15818.9804349079. The cubic root of 250240142 is about 630.1621670381.
Adding to 250240142 its reverse (241042052), we get a palindrome (491282194).
The spelling of 250240142 in words is "two hundred fifty million, two hundred forty thousand, one hundred forty-two".
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