Base | Representation |
---|---|
bin | 11110010100010… |
… | …10110110101100 |
3 | 122201120000010121 |
4 | 33022022312230 |
5 | 1010101333030 |
6 | 41123014324 |
7 | 6205501540 |
oct | 1712126654 |
9 | 581500117 |
10 | 254324140 |
11 | 120617544 |
12 | 7120a3a4 |
13 | 408c7975 |
14 | 25ac3a20 |
15 | 174da47a |
hex | f28adac |
254324140 has 48 divisors (see below), whose sum is σ = 613638144. Its totient is φ = 86731200.
The previous prime is 254324129. The next prime is 254324149. The reversal of 254324140 is 41423452.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (254324149) 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, 21985 + ... + 31495.
It is an arithmetic number, because the mean of its divisors is an integer number (12784128).
Almost surely, 2254324140 is an apocalyptic number.
254324140 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 254324140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306819072).
254324140 is an abundant number, since it is smaller than the sum of its proper divisors (359314004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254324140 is a wasteful number, since it uses less digits than its factorization.
254324140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9718 (or 9716 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 25.
The square root of 254324140 is about 15947.5433844840. The cubic root of 254324140 is about 633.5718332280.
Adding to 254324140 its reverse (41423452), we get a palindrome (295747592).
The spelling of 254324140 in words is "two hundred fifty-four million, three hundred twenty-four thousand, one hundred forty".
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