Base | Representation |
---|---|
bin | 100111011011… |
… | …1110101100101 |
3 | 1102220110001121 |
4 | 1032313311211 |
5 | 20243112231 |
6 | 2015053541 |
7 | 340512466 |
oct | 116676545 |
9 | 42813047 |
10 | 20675941 |
11 | 10742160 |
12 | 6b112b1 |
13 | 438bcb0 |
14 | 2a62d6d |
15 | 1c36311 |
hex | 13b7d65 |
20675941 has 16 divisors (see below), whose sum is σ = 24450048. Its totient is φ = 17236800.
The previous prime is 20675929. The next prime is 20675947. The reversal of 20675941 is 14957602.
It is a cyclic number.
It is not a de Polignac number, because 20675941 - 27 = 20675813 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20675897 and 20675906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20675947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26935 + ... + 27691.
It is an arithmetic number, because the mean of its divisors is an integer number (1528128).
Almost surely, 220675941 is an apocalyptic number.
It is an amenable number.
20675941 is a deficient number, since it is larger than the sum of its proper divisors (3774107).
20675941 is a wasteful number, since it uses less digits than its factorization.
20675941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972.
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 20675941 is about 4547.0804919201. The cubic root of 20675941 is about 274.4659210095.
It can be divided in two parts, 2067 and 5941, that added together give a palindrome (8008).
The spelling of 20675941 in words is "twenty million, six hundred seventy-five thousand, nine hundred forty-one".
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