Base | Representation |
---|---|
bin | 10110111111100… |
… | …011111000110111 |
3 | 222212212200100220 |
4 | 112333203320313 |
5 | 1242223321243 |
6 | 102140105423 |
7 | 12362625060 |
oct | 2677437067 |
9 | 885780326 |
10 | 385760823 |
11 | 18882a8a8 |
12 | a9235273 |
13 | 61bc7356 |
14 | 39339567 |
15 | 23cee783 |
hex | 16fe3e37 |
385760823 has 16 divisors (see below), whose sum is σ = 588101376. Its totient is φ = 220331520.
The previous prime is 385760737. The next prime is 385760833. The reversal of 385760823 is 328067583.
It is not a de Polignac number, because 385760823 - 28 = 385760567 is a prime.
It is a super-2 number, since 2×3857608232 = 297622825123274658, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385760833) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80215 + ... + 84887.
It is an arithmetic number, because the mean of its divisors is an integer number (36756336).
Almost surely, 2385760823 is an apocalyptic number.
385760823 is a deficient number, since it is larger than the sum of its proper divisors (202340553).
385760823 is a wasteful number, since it uses less digits than its factorization.
385760823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8614.
The product of its (nonzero) digits is 241920, while the sum is 42.
The square root of 385760823 is about 19640.7948668072. The cubic root of 385760823 is about 727.9575251705.
The spelling of 385760823 in words is "three hundred eighty-five million, seven hundred sixty thousand, eight hundred twenty-three".
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