Base | Representation |
---|---|
bin | 11101001001000… |
… | …01101000110100 |
3 | 122000222122120111 |
4 | 32210201220310 |
5 | 1000040042423 |
6 | 40131312404 |
7 | 6025561450 |
oct | 1644415064 |
9 | 560878514 |
10 | 244455988 |
11 | 115a97447 |
12 | 69a4b704 |
13 | 3b85111a |
14 | 24675660 |
15 | 166db60d |
hex | e921a34 |
244455988 has 48 divisors (see below), whose sum is σ = 519208704. Its totient is φ = 98311680.
The previous prime is 244455979. The next prime is 244455997. The reversal of 244455988 is 889554442.
It is an interprime number because it is at equal distance from previous prime (244455979) and next prime (244455997).
It is a super-2 number, since 2×2444559882 = 119517460138112288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238918 + ... + 239938.
It is an arithmetic number, because the mean of its divisors is an integer number (10816848).
Almost surely, 2244455988 is an apocalyptic number.
244455988 is a gapful number since it is divisible by the number (28) 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 244455988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259604352).
244455988 is an abundant number, since it is smaller than the sum of its proper divisors (274752716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244455988 is a wasteful number, since it uses less digits than its factorization.
244455988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552 (or 1550 counting only the distinct ones).
The product of its digits is 1843200, while the sum is 49.
The square root of 244455988 is about 15635.0883592003. The cubic root of 244455988 is about 625.2689939710.
The spelling of 244455988 in words is "two hundred forty-four million, four hundred fifty-five thousand, nine hundred eighty-eight".
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