Base | Representation |
---|---|
bin | 11101110100111… |
… | …00000001010000 |
3 | 122102210111002000 |
4 | 32322130001100 |
5 | 1003022401034 |
6 | 40454354000 |
7 | 6125444325 |
oct | 1672340120 |
9 | 572714060 |
10 | 250200144 |
11 | 119260087 |
12 | 6b95b900 |
13 | 3cab282c |
14 | 2532cb4c |
15 | 16e73599 |
hex | ee9c050 |
250200144 has 80 divisors (see below), whose sum is σ = 734923200. Its totient is φ = 81454464.
The previous prime is 250200143. The next prime is 250200173. The reversal of 250200144 is 441002052.
It is a super-3 number, since 3×2502001443 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250200143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11842 + ... + 25310.
It is an arithmetic number, because the mean of its divisors is an integer number (9186540).
Almost surely, 2250200144 is an apocalyptic number.
250200144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 250200144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367461600).
250200144 is an abundant number, since it is smaller than the sum of its proper divisors (484723056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250200144 is a wasteful number, since it uses less digits than its factorization.
250200144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13529 (or 13517 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 250200144 is about 15817.7161436157. The cubic root of 250200144 is about 630.1285905314.
Adding to 250200144 its reverse (441002052), we get a palindrome (691202196).
The spelling of 250200144 in words is "two hundred fifty million, two hundred thousand, one hundred forty-four".
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