Base | Representation |
---|---|
bin | 11000110011111… |
… | …01011111100111 |
3 | 112111122012112020 |
4 | 30121331133213 |
5 | 411240211241 |
6 | 32352554223 |
7 | 5105044020 |
oct | 1431753747 |
9 | 474565466 |
10 | 208132071 |
11 | a7537784 |
12 | 59852973 |
13 | 34173894 |
14 | 1d8dbc47 |
15 | 13413b66 |
hex | c67d7e7 |
208132071 has 32 divisors (see below), whose sum is σ = 337789440. Its totient is φ = 111277056.
The previous prime is 208132051. The next prime is 208132087. The reversal of 208132071 is 170231802.
It is not a de Polignac number, because 208132071 - 25 = 208132039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208132021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62275 + ... + 65531.
It is an arithmetic number, because the mean of its divisors is an integer number (10555920).
Almost surely, 2208132071 is an apocalyptic number.
208132071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
208132071 is a deficient number, since it is larger than the sum of its proper divisors (129657369).
208132071 is a wasteful number, since it uses less digits than its factorization.
208132071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3463.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 208132071 is about 14426.7831133625. The cubic root of 208132071 is about 592.6245909367.
Adding to 208132071 its reverse (170231802), we get a palindrome (378363873).
The spelling of 208132071 in words is "two hundred eight million, one hundred thirty-two thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •