Base | Representation |
---|---|
bin | 11101000111010… |
… | …00100010111100 |
3 | 122000112202210110 |
4 | 32203220202330 |
5 | 1000010102030 |
6 | 40122310020 |
7 | 6023565621 |
oct | 1643504274 |
9 | 560482713 |
10 | 244222140 |
11 | 115947788 |
12 | 69958310 |
13 | 3b79b856 |
14 | 24614348 |
15 | 166921b0 |
hex | e8e88bc |
244222140 has 48 divisors (see below), whose sum is σ = 684905760. Its totient is φ = 65022720.
The previous prime is 244222133. The next prime is 244222151. The reversal of 244222140 is 41222442.
244222140 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
244222140 is strictly pandigital in base 9.
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, 39670 + ... + 45410.
It is an arithmetic number, because the mean of its divisors is an integer number (14268870).
Almost surely, 2244222140 is an apocalyptic number.
244222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244222140 is an abundant number, since it is smaller than the sum of its proper divisors (440683620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244222140 is a wasteful number, since it uses less digits than its factorization.
244222140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6462 (or 6460 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 21.
The square root of 244222140 is about 15627.6082623030. The cubic root of 244222140 is about 625.0695517265.
Adding to 244222140 its reverse (41222442), we get a palindrome (285444582).
It can be divided in two parts, 24422 and 2140, that added together give a palindrome (26562).
The spelling of 244222140 in words is "two hundred forty-four million, two hundred twenty-two thousand, one hundred forty".
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