Base | Representation |
---|---|
bin | 11000110110000… |
… | …00111100110000 |
3 | 112112011020112110 |
4 | 30123000330300 |
5 | 411323031433 |
6 | 32402525320 |
7 | 5110304400 |
oct | 1433007460 |
9 | 475136473 |
10 | 208408368 |
11 | a7706323 |
12 | 59966840 |
13 | 3423c57c |
14 | 1d970800 |
15 | 1346a963 |
hex | c6c0f30 |
208408368 has 60 divisors (see below), whose sum is σ = 626295480. Its totient is φ = 59544576.
The previous prime is 208408367. The next prime is 208408379. The reversal of 208408368 is 863804802.
It is not an unprimeable number, because it can be changed into a prime (208408367) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41953 + ... + 46656.
It is an arithmetic number, because the mean of its divisors is an integer number (10438258).
Almost surely, 2208408368 is an apocalyptic number.
208408368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
208408368 is an abundant number, since it is smaller than the sum of its proper divisors (417887112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208408368 is a wasteful number, since it uses less digits than its factorization.
208408368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88634 (or 88621 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 39.
The square root of 208408368 is about 14436.3557728396. The cubic root of 208408368 is about 592.8867129532.
The spelling of 208408368 in words is "two hundred eight million, four hundred eight thousand, three hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •