Base | Representation |
---|---|
bin | 100111011011… |
… | …0011010101100 |
3 | 1102220011002011 |
4 | 1032312122230 |
5 | 20242420444 |
6 | 2015011004 |
7 | 340456516 |
oct | 116663254 |
9 | 42804064 |
10 | 20670124 |
11 | 10738852 |
12 | 6b09a64 |
13 | 4389457 |
14 | 2a60bb6 |
15 | 1c34734 |
hex | 13b66ac |
20670124 has 12 divisors (see below), whose sum is σ = 37150624. Its totient is φ = 10055664.
The previous prime is 20670061. The next prime is 20670137. The reversal of 20670124 is 42107602.
It is a junction number, because it is equal to n+sod(n) for n = 20670095 and 20670104.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69684 + ... + 69979.
Almost surely, 220670124 is an apocalyptic number.
It is an amenable number.
20670124 is a deficient number, since it is larger than the sum of its proper divisors (16480500).
20670124 is a wasteful number, since it uses less digits than its factorization.
20670124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139704 (or 139702 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 20670124 is about 4546.4408057292. The cubic root of 20670124 is about 274.4401790451.
Adding to 20670124 its reverse (42107602), we get a palindrome (62777726).
The spelling of 20670124 in words is "twenty million, six hundred seventy thousand, one hundred twenty-four".
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