Base | Representation |
---|---|
bin | 10111010010111… |
… | …000100110011011 |
3 | 1000020102001000200 |
4 | 113102320212123 |
5 | 1300022421040 |
6 | 102440433243 |
7 | 12453653361 |
oct | 2722704633 |
9 | 1006361020 |
10 | 390826395 |
11 | 19067a723 |
12 | aaa78823 |
13 | 62c7bc2b |
14 | 39c97631 |
15 | 244a0630 |
hex | 174b899b |
390826395 has 12 divisors (see below), whose sum is σ = 677432496. Its totient is φ = 208440720.
The previous prime is 390826369. The next prime is 390826411. The reversal of 390826395 is 593628093.
390826395 is a `hidden beast` number, since 3 + 9 + 0 + 8 + 2 + 639 + 5 = 666.
It is not a de Polignac number, because 390826395 - 214 = 390810011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8685031 = 390826395 / (3 + 9 + 0 + 8 + 2 + 6 + 3 + 9 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 390826395.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4342471 + ... + 4342560.
It is an arithmetic number, because the mean of its divisors is an integer number (56452708).
Almost surely, 2390826395 is an apocalyptic number.
390826395 is a deficient number, since it is larger than the sum of its proper divisors (286606101).
390826395 is a wasteful number, since it uses less digits than its factorization.
390826395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8685042 (or 8685039 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 45.
The square root of 390826395 is about 19769.3296547961. The cubic root of 390826395 is about 731.1300412471.
It can be divided in two parts, 3908 and 26395, that added together give a palindrome (30303).
The spelling of 390826395 in words is "three hundred ninety million, eight hundred twenty-six thousand, three hundred ninety-five".
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