Base | Representation |
---|---|
bin | 11101110101001… |
… | …00011111011000 |
3 | 122102212020200001 |
4 | 32322210133120 |
5 | 1003030003330 |
6 | 40455222344 |
7 | 6125650432 |
oct | 1672443730 |
9 | 572766601 |
10 | 250234840 |
11 | 119284159 |
12 | 6b9779b4 |
13 | 3cac556b |
14 | 2533b652 |
15 | 16e7d9ca |
hex | eea47d8 |
250234840 has 32 divisors (see below), whose sum is σ = 566190000. Its totient is φ = 99531904.
The previous prime is 250234837. The next prime is 250234841. The reversal of 250234840 is 48432052.
It is a junction number, because it is equal to n+sod(n) for n = 250234799 and 250234808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250234841) 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, 10315 + ... + 24634.
Almost surely, 2250234840 is an apocalyptic number.
250234840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
250234840 is an abundant number, since it is smaller than the sum of its proper divisors (315955160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250234840 is a wasteful number, since it uses less digits than its factorization.
250234840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35139 (or 35135 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 28.
The square root of 250234840 is about 15818.8128505271. The cubic root of 250234840 is about 630.1577164553.
Adding to 250234840 its reverse (48432052), we get a palindrome (298666892).
The spelling of 250234840 in words is "two hundred fifty million, two hundred thirty-four thousand, eight hundred forty".
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