Base | Representation |
---|---|
bin | 11000111000100… |
… | …01111100110100 |
3 | 112112210002122121 |
4 | 30130101330310 |
5 | 411414141043 |
6 | 32414005324 |
7 | 5113155601 |
oct | 1434217464 |
9 | 475702577 |
10 | 208740148 |
11 | a7912621 |
12 | 59aa6844 |
13 | 343275a6 |
14 | 1da196a8 |
15 | 134d3ded |
hex | c711f34 |
208740148 has 12 divisors (see below), whose sum is σ = 365690052. Its totient is φ = 104257280.
The previous prime is 208740139. The next prime is 208740179. The reversal of 208740148 is 841047802.
208740148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 42536484 + 166203664 = 6522^2 + 12892^2 .
It is a super-3 number, since 3×2087401483 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23965 + ... + 31492.
It is an arithmetic number, because the mean of its divisors is an integer number (30474171).
Almost surely, 2208740148 is an apocalyptic number.
It is an amenable number.
208740148 is a deficient number, since it is larger than the sum of its proper divisors (156949904).
208740148 is a wasteful number, since it uses less digits than its factorization.
208740148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56402 (or 56400 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 34.
The square root of 208740148 is about 14447.8423302582. The cubic root of 208740148 is about 593.2011655562.
The spelling of 208740148 in words is "two hundred eight million, seven hundred forty thousand, one hundred forty-eight".
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