Base | Representation |
---|---|
bin | 10111010010110… |
… | …100001110100010 |
3 | 1000020101010110020 |
4 | 113102310032202 |
5 | 1300021332412 |
6 | 102440214310 |
7 | 12453550221 |
oct | 2722641642 |
9 | 1006333406 |
10 | 390808482 |
11 | 190668219 |
12 | aaa6a396 |
13 | 62c73a2c |
14 | 39c90cb8 |
15 | 2449a18c |
hex | 174b43a2 |
390808482 has 16 divisors (see below), whose sum is σ = 786597312. Its totient is φ = 129439440.
The previous prime is 390808469. The next prime is 390808489. The reversal of 390808482 is 284808093.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (390808489) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206494 + ... + 208377.
It is an arithmetic number, because the mean of its divisors is an integer number (49162332).
Almost surely, 2390808482 is an apocalyptic number.
390808482 is an abundant number, since it is smaller than the sum of its proper divisors (395788830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390808482 is a wasteful number, since it uses less digits than its factorization.
390808482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415033.
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 390808482 is about 19768.8765993417. The cubic root of 390808482 is about 731.1188709571.
The spelling of 390808482 in words is "three hundred ninety million, eight hundred eight thousand, four hundred eighty-two".
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