Base | Representation |
---|---|
bin | 10111010001000… |
… | …101100010001010 |
3 | 1000012112002111122 |
4 | 113101011202022 |
5 | 1244412330312 |
6 | 102422355242 |
7 | 12446651315 |
oct | 2721054212 |
9 | 1005462448 |
10 | 390355082 |
11 | 190388607 |
12 | aa88bb22 |
13 | 62b45550 |
14 | 39bb397c |
15 | 2440ab72 |
hex | 1744588a |
390355082 has 16 divisors (see below), whose sum is σ = 631805832. Its totient is φ = 179811840.
The previous prime is 390355081. The next prime is 390355093. The reversal of 390355082 is 280553093.
It can be written as a sum of positive squares in 4 ways, for example, as 331203601 + 59151481 = 18199^2 + 7691^2 .
It is a zygodrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (390355081) 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, 863 + ... + 27954.
Almost surely, 2390355082 is an apocalyptic number.
390355082 is a deficient number, since it is larger than the sum of its proper divisors (241450750).
390355082 is a wasteful number, since it uses less digits than its factorization.
390355082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29353.
The product of its (nonzero) digits is 32400, while the sum is 35.
The square root of 390355082 is about 19757.4057507558. The cubic root of 390355082 is about 730.8360234862.
It can be divided in two parts, 3903 and 55082, that added together give a palindrome (58985).
The spelling of 390355082 in words is "three hundred ninety million, three hundred fifty-five thousand, eighty-two".
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