Base | Representation |
---|---|
bin | 11000111000110… |
… | …10011101101111 |
3 | 112112211212111021 |
4 | 30130122131233 |
5 | 411421300043 |
6 | 32414435011 |
7 | 5113362352 |
oct | 1434323557 |
9 | 475755437 |
10 | 208775023 |
11 | a7936846 |
12 | 59b02a67 |
13 | 3433a422 |
14 | 1da28299 |
15 | 134de3ed |
hex | c71a76f |
208775023 has 8 divisors (see below), whose sum is σ = 210074256. Its totient is φ = 207480000.
The previous prime is 208775009. The next prime is 208775029. The reversal of 208775023 is 320577802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 208775023 - 25 = 208774991 is a prime.
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 208775023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208775029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190465 + ... + 191557.
It is an arithmetic number, because the mean of its divisors is an integer number (26259282).
Almost surely, 2208775023 is an apocalyptic number.
208775023 is a deficient number, since it is larger than the sum of its proper divisors (1299233).
208775023 is a wasteful number, since it uses less digits than its factorization.
208775023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2105.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 208775023 is about 14449.0492074738. The cubic root of 208775023 is about 593.2341998316.
The spelling of 208775023 in words is "two hundred eight million, seven hundred seventy-five thousand, twenty-three".
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