Base | Representation |
---|---|
bin | 1000010110000111… |
… | …0000110100011000 |
3 | 12210010100222201102 |
4 | 2011201300310120 |
5 | 14041444023230 |
6 | 1010143410532 |
7 | 106341362633 |
oct | 20541606430 |
9 | 5703328642 |
10 | 2240220440 |
11 | a4a600857 |
12 | 5262b3a48 |
13 | 299174633 |
14 | 17374ac1a |
15 | d1a14045 |
hex | 85870d18 |
2240220440 has 64 divisors (see below), whose sum is σ = 5097699360. Its totient is φ = 885980160.
The previous prime is 2240220419. The next prime is 2240220497. The reversal of 2240220440 is 440220422.
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 1462475 + ... + 1464005.
Almost surely, 22240220440 is an apocalyptic number.
2240220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2240220440 is an abundant number, since it is smaller than the sum of its proper divisors (2857478920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2240220440 is a wasteful number, since it uses less digits than its factorization.
2240220440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1932 (or 1928 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 20.
The square root of 2240220440 is about 47330.9670300534. The cubic root of 2240220440 is about 1308.4694437305.
Adding to 2240220440 its reverse (440220422), we get a palindrome (2680440862).
The spelling of 2240220440 in words is "two billion, two hundred forty million, two hundred twenty thousand, four hundred forty".
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