Base | Representation |
---|---|
bin | 10111000000000… |
… | …111110101010100 |
3 | 222220011011022211 |
4 | 113000013311110 |
5 | 1242243024202 |
6 | 102143203204 |
7 | 12364110235 |
oct | 2700076524 |
9 | 886134284 |
10 | 385908052 |
11 | 188920482 |
12 | a92a6504 |
13 | 61c4937a |
14 | 3937708c |
15 | 23d2d1d7 |
hex | 17007d54 |
385908052 has 24 divisors (see below), whose sum is σ = 691173000. Its totient is φ = 188462976.
The previous prime is 385908043. The next prime is 385908059. The reversal of 385908052 is 250809583.
It can be written as a sum of positive squares in 4 ways, for example, as 181818256 + 204089796 = 13484^2 + 14286^2 .
It is a junction number, because it is equal to n+sod(n) for n = 385907996 and 385908014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385908059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44574 + ... + 52522.
It is an arithmetic number, because the mean of its divisors is an integer number (28798875).
Almost surely, 2385908052 is an apocalyptic number.
It is an amenable number.
385908052 is a deficient number, since it is larger than the sum of its proper divisors (305264948).
385908052 is a wasteful number, since it uses less digits than its factorization.
385908052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8235 (or 8233 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 40.
The square root of 385908052 is about 19644.5425500315. The cubic root of 385908052 is about 728.0501238483.
The spelling of 385908052 in words is "three hundred eighty-five million, nine hundred eight thousand, fifty-two".
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