Base | Representation |
---|---|
bin | 10110111101001… |
… | …000010110001011 |
3 | 222211200022102121 |
4 | 112331020112023 |
5 | 1242042424343 |
6 | 102114312111 |
7 | 12354332455 |
oct | 2675102613 |
9 | 884608377 |
10 | 385123723 |
11 | 188435176 |
12 | a8b88637 |
13 | 61a3337a |
14 | 392112d5 |
15 | 23c25aed |
hex | 16f4858b |
385123723 has 2 divisors, whose sum is σ = 385123724. Its totient is φ = 385123722.
The previous prime is 385123703. The next prime is 385123733. The reversal of 385123723 is 327321583.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 385123723 - 221 = 383026571 is a prime.
It is not a weakly prime, because it can be changed into another prime (385123703) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192561861 + 192561862.
It is an arithmetic number, because the mean of its divisors is an integer number (192561862).
Almost surely, 2385123723 is an apocalyptic number.
385123723 is a deficient number, since it is larger than the sum of its proper divisors (1).
385123723 is an equidigital number, since it uses as much as digits as its factorization.
385123723 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 30240, while the sum is 34.
The square root of 385123723 is about 19624.5693710716. The cubic root of 385123723 is about 727.5565536666.
The spelling of 385123723 in words is "three hundred eighty-five million, one hundred twenty-three thousand, seven hundred twenty-three".
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