Base | Representation |
---|---|
bin | 11000100111001… |
… | …10011110001100 |
3 | 112101111111121110 |
4 | 30103212132030 |
5 | 410323334113 |
6 | 32253132020 |
7 | 5054631336 |
oct | 1423463614 |
9 | 471444543 |
10 | 206464908 |
11 | a65a9161 |
12 | 5918a010 |
13 | 33a0bab0 |
14 | 1d5c6456 |
15 | 131d4bc3 |
hex | c4e678c |
206464908 has 48 divisors (see below), whose sum is σ = 522821376. Its totient is φ = 63036480.
The previous prime is 206464897. The next prime is 206464913. The reversal of 206464908 is 809464602.
206464908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15385 + ... + 25487.
It is an arithmetic number, because the mean of its divisors is an integer number (10892112).
Almost surely, 2206464908 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 206464908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261410688).
206464908 is an abundant number, since it is smaller than the sum of its proper divisors (316356468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206464908 is a wasteful number, since it uses less digits than its factorization.
206464908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10254 (or 10252 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 39.
The square root of 206464908 is about 14368.8868044814. The cubic root of 206464908 is about 591.0380156547.
The spelling of 206464908 in words is "two hundred six million, four hundred sixty-four thousand, nine hundred eight".
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