Base | Representation |
---|---|
bin | 10110111100010… |
… | …011110000111001 |
3 | 222211021100222122 |
4 | 112330103300321 |
5 | 1242014031340 |
6 | 102105531025 |
7 | 12352444523 |
oct | 2674236071 |
9 | 884240878 |
10 | 384908345 |
11 | 1882a8378 |
12 | a8aa3a75 |
13 | 61989323 |
14 | 39196a13 |
15 | 23bd1db5 |
hex | 16f13c39 |
384908345 has 8 divisors (see below), whose sum is σ = 462800520. Its totient is φ = 307319680.
The previous prime is 384908317. The next prime is 384908371. The reversal of 384908345 is 543809483.
It can be written as a sum of positive squares in 4 ways, for example, as 29246464 + 355661881 = 5408^2 + 18859^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 384908345 - 26 = 384908281 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 384908296 and 384908305.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73076 + ... + 78165.
It is an arithmetic number, because the mean of its divisors is an integer number (57850065).
Almost surely, 2384908345 is an apocalyptic number.
It is an amenable number.
384908345 is a deficient number, since it is larger than the sum of its proper divisors (77892175).
384908345 is a wasteful number, since it uses less digits than its factorization.
384908345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151755.
The product of its (nonzero) digits is 414720, while the sum is 44.
The square root of 384908345 is about 19619.0811456602. The cubic root of 384908345 is about 727.4209012461.
The spelling of 384908345 in words is "three hundred eighty-four million, nine hundred eight thousand, three hundred forty-five".
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