Base | Representation |
---|---|
bin | 11101110011011… |
… | …00001010101100 |
3 | 122102102112012121 |
4 | 32321230022230 |
5 | 1003000113030 |
6 | 40450242324 |
7 | 6124000021 |
oct | 1671541254 |
9 | 572375177 |
10 | 250004140 |
11 | 1191368a1 |
12 | 6b8863a4 |
13 | 3ca44559 |
14 | 252bb548 |
15 | 16e3547a |
hex | ee6c2ac |
250004140 has 24 divisors (see below), whose sum is σ = 525425040. Its totient is φ = 99922368.
The previous prime is 250004137. The next prime is 250004141. The reversal of 250004140 is 41400052.
It is not an unprimeable number, because it can be changed into a prime (250004141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25446 + ... + 33874.
It is an arithmetic number, because the mean of its divisors is an integer number (21892710).
Almost surely, 2250004140 is an apocalyptic number.
250004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250004140 is an abundant number, since it is smaller than the sum of its proper divisors (275420900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250004140 is a wasteful number, since it uses less digits than its factorization.
250004140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9921 (or 9919 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 250004140 is about 15811.5192185950. The cubic root of 250004140 is about 629.9640023103.
Adding to 250004140 its reverse (41400052), we get a palindrome (291404192).
The spelling of 250004140 in words is "two hundred fifty million, four thousand, one hundred forty".
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