Base | Representation |
---|---|
bin | 11000100110100… |
… | …11100100101110 |
3 | 112101100120102120 |
4 | 30103103210232 |
5 | 410313400002 |
6 | 32251333410 |
7 | 5054156556 |
oct | 1423234456 |
9 | 471316376 |
10 | 206387502 |
11 | a6555a92 |
12 | 59151266 |
13 | 339b27a9 |
14 | 1d5a6166 |
15 | 131bbcbc |
hex | c4d392e |
206387502 has 16 divisors (see below), whose sum is σ = 413084880. Its totient is φ = 68744192.
The previous prime is 206387501. The next prime is 206387507. The reversal of 206387502 is 205783602.
206387502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206387501) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 20660.
It is an arithmetic number, because the mean of its divisors is an integer number (25817805).
Almost surely, 2206387502 is an apocalyptic number.
206387502 is an abundant number, since it is smaller than the sum of its proper divisors (206697378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206387502 is a wasteful number, since it uses less digits than its factorization.
206387502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25827.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 206387502 is about 14366.1930239016. The cubic root of 206387502 is about 590.9641441710.
The spelling of 206387502 in words is "two hundred six million, three hundred eighty-seven thousand, five hundred two".
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