Base | Representation |
---|---|
bin | 1001000101110010… |
… | …1111100001101100 |
3 | 20022001201120122200 |
4 | 2101130233201230 |
5 | 14444144343040 |
6 | 1042050341500 |
7 | 114320423103 |
oct | 22134574154 |
9 | 6261646580 |
10 | 2440231020 |
11 | 10424a0757 |
12 | 58128a890 |
13 | 2cb7336a6 |
14 | 19213303a |
15 | e4371630 |
hex | 9172f86c |
2440231020 has 72 divisors (see below), whose sum is σ = 7435349376. Its totient is φ = 647799552.
The previous prime is 2440230997. The next prime is 2440231043. The reversal of 2440231020 is 201320442.
2440231020 is digitally balanced in base 2 and base 4, because in such bases 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 (2440230997) and next prime (2440231043).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2440230984 and 2440231002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9744 + ... + 70536.
Almost surely, 22440231020 is an apocalyptic number.
2440231020 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 2440231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3717674688).
2440231020 is an abundant number, since it is smaller than the sum of its proper divisors (4995118356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2440231020 is a wasteful number, since it uses less digits than its factorization.
2440231020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61031 (or 61026 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2440231020 is about 49398.6945171631. The cubic root of 2440231020 is about 1346.3055863227.
Adding to 2440231020 its reverse (201320442), we get a palindrome (2641551462).
The spelling of 2440231020 in words is "two billion, four hundred forty million, two hundred thirty-one thousand, twenty".
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