Base | Representation |
---|---|
bin | 11101000111100… |
… | …00011101001100 |
3 | 122000121102020110 |
4 | 32203300131030 |
5 | 1000012121130 |
6 | 40123120020 |
7 | 6024062235 |
oct | 1643603514 |
9 | 560542213 |
10 | 244254540 |
11 | 11596a062 |
12 | 69973010 |
13 | 3b7b051a |
14 | 2462208c |
15 | 1669bab0 |
hex | e8f074c |
244254540 has 24 divisors (see below), whose sum is σ = 683912880. Its totient is φ = 65134528.
The previous prime is 244254539. The next prime is 244254541. The reversal of 244254540 is 45452442.
244254540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (244254539) and next prime (244254541).
It is a super-2 number, since 2×2442545402 = 119320560621223200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 244254498 and 244254507.
It is not an unprimeable number, because it can be changed into a prime (244254541) 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, 2035395 + ... + 2035514.
It is an arithmetic number, because the mean of its divisors is an integer number (28496370).
Almost surely, 2244254540 is an apocalyptic number.
244254540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244254540 is an abundant number, since it is smaller than the sum of its proper divisors (439658340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244254540 is a wasteful number, since it uses less digits than its factorization.
244254540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4070921 (or 4070919 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 30.
The square root of 244254540 is about 15628.6448548811. The cubic root of 244254540 is about 625.0971923517.
The spelling of 244254540 in words is "two hundred forty-four million, two hundred fifty-four thousand, five hundred forty".
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