Base | Representation |
---|---|
bin | 11000111001010… |
… | …00111001100011 |
3 | 112112221212121001 |
4 | 30130220321203 |
5 | 411430143042 |
6 | 32420012431 |
7 | 5114026624 |
oct | 1434507143 |
9 | 475855531 |
10 | 208834147 |
11 | a7977205 |
12 | 59b31117 |
13 | 3435b302 |
14 | 1da41a4b |
15 | 13501bb7 |
hex | c728e63 |
208834147 has 4 divisors (see below), whose sum is σ = 210785976. Its totient is φ = 206882320.
The previous prime is 208834141. The next prime is 208834163. The reversal of 208834147 is 741438802.
208834147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 208834147 - 219 = 208309859 is a prime.
It is a super-2 number, since 2×2088341472 = 87223401906435218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (208834141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975754 + ... + 975967.
It is an arithmetic number, because the mean of its divisors is an integer number (52696494).
Almost surely, 2208834147 is an apocalyptic number.
208834147 is a deficient number, since it is larger than the sum of its proper divisors (1951829).
208834147 is a wasteful number, since it uses less digits than its factorization.
208834147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1951828.
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 208834147 is about 14451.0950104136. The cubic root of 208834147 is about 593.2901948255.
It can be divided in two parts, 208834 and 147, that added together give a triangular number (208981 = T646).
The spelling of 208834147 in words is "two hundred eight million, eight hundred thirty-four thousand, one hundred forty-seven".
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