Base | Representation |
---|---|
bin | 11000101000110… |
… | …01110000010000 |
3 | 112101220011202011 |
4 | 30110121300100 |
5 | 410402044320 |
6 | 32301432304 |
7 | 5056464622 |
oct | 1424316020 |
9 | 471804664 |
10 | 206674960 |
11 | a6731a58 |
12 | 5926b694 |
13 | 33a8359b |
14 | 1d63cc12 |
15 | 1322705a |
hex | c519c10 |
206674960 has 20 divisors (see below), whose sum is σ = 480519468. Its totient is φ = 82669952.
The previous prime is 206674927. The next prime is 206674991. The reversal of 206674960 is 69476602.
It can be written as a sum of positive squares in 2 ways, for example, as 82664464 + 124010496 = 9092^2 + 11136^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 1291639 + ... + 1291798.
Almost surely, 2206674960 is an apocalyptic number.
206674960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
206674960 is an abundant number, since it is smaller than the sum of its proper divisors (273844508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206674960 is a wasteful number, since it uses less digits than its factorization.
206674960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2583450 (or 2583444 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 40.
The square root of 206674960 is about 14376.1942112647. The cubic root of 206674960 is about 591.2383832625.
The spelling of 206674960 in words is "two hundred six million, six hundred seventy-four thousand, nine hundred sixty".
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