Base | Representation |
---|---|
bin | 100111011011… |
… | …1100111111011 |
3 | 1102220101212020 |
4 | 1032313213323 |
5 | 20243100232 |
6 | 2015045523 |
7 | 340510110 |
oct | 116674773 |
9 | 42811766 |
10 | 20675067 |
11 | 10741536 |
12 | 6b108a3 |
13 | 438b78a |
14 | 2a62907 |
15 | 1c35e2c |
hex | 13b79fb |
20675067 has 16 divisors (see below), whose sum is σ = 31584000. Its totient is φ = 11784672.
The previous prime is 20675063. The next prime is 20675069. The reversal of 20675067 is 76057602.
It is not a de Polignac number, because 20675067 - 22 = 20675063 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20675063) 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, 9493 + ... + 11465.
It is an arithmetic number, because the mean of its divisors is an integer number (1974000).
Almost surely, 220675067 is an apocalyptic number.
20675067 is a deficient number, since it is larger than the sum of its proper divisors (10908933).
20675067 is a wasteful number, since it uses less digits than its factorization.
20675067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482.
The product of its (nonzero) digits is 17640, while the sum is 33.
The square root of 20675067 is about 4546.9843852822. The cubic root of 20675067 is about 274.4620536064.
The spelling of 20675067 in words is "twenty million, six hundred seventy-five thousand, sixty-seven".
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