Base | Representation |
---|---|
bin | 11110010011101… |
… | …10100111011000 |
3 | 122201101210102020 |
4 | 33021312213120 |
5 | 1010041204430 |
6 | 41121134440 |
7 | 6205005051 |
oct | 1711664730 |
9 | 581353366 |
10 | 254241240 |
11 | 120570230 |
12 | 7118a420 |
13 | 40899006 |
14 | 25aa1728 |
15 | 174c0b10 |
hex | f2769d8 |
254241240 has 128 divisors (see below), whose sum is σ = 840741120. Its totient is φ = 60992000.
The previous prime is 254241217. The next prime is 254241259. The reversal of 254241240 is 42142452.
It is a happy number.
254241240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 254241240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132367 + ... + 134273.
It is an arithmetic number, because the mean of its divisors is an integer number (6568290).
Almost surely, 2254241240 is an apocalyptic number.
254241240 is a gapful number since it is divisible by the number (20) 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 254241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420370560).
254241240 is an abundant number, since it is smaller than the sum of its proper divisors (586499880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254241240 is a wasteful number, since it uses less digits than its factorization.
254241240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2033 (or 2029 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 254241240 is about 15944.9440262423. The cubic root of 254241240 is about 633.5029856373.
Adding to 254241240 its reverse (42142452), we get a palindrome (296383692).
It can be divided in two parts, 2542412 and 40, that added together give a palindrome (2542452).
The spelling of 254241240 in words is "two hundred fifty-four million, two hundred forty-one thousand, two hundred forty".
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