Base | Representation |
---|---|
bin | 10110111100001… |
… | …000001000001101 |
3 | 222211011221121110 |
4 | 112330020020031 |
5 | 1242011020220 |
6 | 102104522233 |
7 | 12352155546 |
oct | 2674101015 |
9 | 884157543 |
10 | 384860685 |
11 | 188275590 |
12 | a8a80379 |
13 | 61970721 |
14 | 391834cd |
15 | 23bc2be0 |
hex | 16f0820d |
384860685 has 32 divisors (see below), whose sum is σ = 675827712. Its totient is φ = 185468480.
The previous prime is 384860677. The next prime is 384860687. The reversal of 384860685 is 586068483.
It is not a de Polignac number, because 384860685 - 23 = 384860677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (384860687) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20572 + ... + 34538.
It is an arithmetic number, because the mean of its divisors is an integer number (21119616).
Almost surely, 2384860685 is an apocalyptic number.
It is an amenable number.
384860685 is a deficient number, since it is larger than the sum of its proper divisors (290967027).
384860685 is a wasteful number, since it uses less digits than its factorization.
384860685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14153.
The product of its (nonzero) digits is 1105920, while the sum is 48.
The square root of 384860685 is about 19617.8664742117. The cubic root of 384860685 is about 727.3908765129.
The spelling of 384860685 in words is "three hundred eighty-four million, eight hundred sixty thousand, six hundred eighty-five".
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