Base | Representation |
---|---|
bin | 1000010100001110111000 |
3 | 11002202102122 |
4 | 20110032320 |
5 | 1024230044 |
6 | 114420412 |
7 | 24346520 |
oct | 10241670 |
9 | 4082378 |
10 | 2180024 |
11 | 1259980 |
12 | 891708 |
13 | 5b4372 |
14 | 40a680 |
15 | 2d0dee |
hex | 2143b8 |
2180024 has 32 divisors (see below), whose sum is σ = 5097600. Its totient is φ = 849120.
The previous prime is 2180021. The next prime is 2180027. The reversal of 2180024 is 4200812.
It is an interprime number because it is at equal distance from previous prime (2180021) and next prime (2180027).
It is a junction number, because it is equal to n+sod(n) for n = 2179984 and 2180011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2180021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 2385.
It is an arithmetic number, because the mean of its divisors is an integer number (159300).
22180024 is an apocalyptic number.
It is an amenable number.
2180024 is an abundant number, since it is smaller than the sum of its proper divisors (2917576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2180024 is a wasteful number, since it uses less digits than its factorization.
2180024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3563 (or 3559 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2180024 is about 1476.4904334265. The cubic root of 2180024 is about 129.6643015262.
Adding to 2180024 its reverse (4200812), we get a palindrome (6380836).
The spelling of 2180024 in words is "two million, one hundred eighty thousand, twenty-four".
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