Base | Representation |
---|---|
bin | 11101000110001… |
… | …01011010100000 |
3 | 122000021110101211 |
4 | 32203011122200 |
5 | 444441000430 |
6 | 40115235504 |
7 | 6022426240 |
oct | 1643053240 |
9 | 560243354 |
10 | 244078240 |
11 | 11585965a |
12 | 698a8b94 |
13 | 3b74b1c3 |
14 | 245b7b20 |
15 | 1666472a |
hex | e8c56a0 |
244078240 has 96 divisors (see below), whose sum is σ = 661893120. Its totient is φ = 83318784.
The previous prime is 244078229. The next prime is 244078249. The reversal of 244078240 is 42870442.
It is not an unprimeable number, because it can be changed into a prime (244078249) 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, 428676 + ... + 429244.
It is an arithmetic number, because the mean of its divisors is an integer number (6894720).
Almost surely, 2244078240 is an apocalyptic number.
244078240 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 244078240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330946560).
244078240 is an abundant number, since it is smaller than the sum of its proper divisors (417814880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244078240 is a wasteful number, since it uses less digits than its factorization.
244078240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 974 (or 966 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 31.
The square root of 244078240 is about 15623.0035524543. The cubic root of 244078240 is about 624.9467602650.
The spelling of 244078240 in words is "two hundred forty-four million, seventy-eight thousand, two hundred forty".
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