Base | Representation |
---|---|
bin | 11000101011001… |
… | …11110101110001 |
3 | 112102111102111010 |
4 | 30111213311301 |
5 | 410442313201 |
6 | 32312341133 |
7 | 5062266246 |
oct | 1425476561 |
9 | 472442433 |
10 | 206994801 |
11 | a6930292 |
12 | 593a47a9 |
13 | 33b66040 |
14 | 1d6c35cd |
15 | 1328bbd6 |
hex | c567d71 |
206994801 has 16 divisors (see below), whose sum is σ = 297562496. Its totient is φ = 127236096.
The previous prime is 206994791. The next prime is 206994829. The reversal of 206994801 is 108499602.
It is not a de Polignac number, because 206994801 - 215 = 206962033 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 206994801.
It is not an unprimeable number, because it can be changed into a prime (206994001) 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, 38961 + ... + 43953.
It is an arithmetic number, because the mean of its divisors is an integer number (18597656).
Almost surely, 2206994801 is an apocalyptic number.
It is an amenable number.
206994801 is a deficient number, since it is larger than the sum of its proper divisors (90567695).
206994801 is a wasteful number, since it uses less digits than its factorization.
206994801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6072.
The product of its (nonzero) digits is 31104, while the sum is 39.
The square root of 206994801 is about 14387.3138910639. The cubic root of 206994801 is about 591.5432174988.
The spelling of 206994801 in words is "two hundred six million, nine hundred ninety-four thousand, eight hundred one".
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