Base | Representation |
---|---|
bin | 10110111011101… |
… | …110000111011011 |
3 | 222210222112110022 |
4 | 112323232013123 |
5 | 1241444113024 |
6 | 102102341055 |
7 | 12351233120 |
oct | 2673560733 |
9 | 883875408 |
10 | 384754139 |
11 | 188202530 |
12 | a8a2a78b |
13 | 61934093 |
14 | 39156747 |
15 | 23ba135e |
hex | 16eee1db |
384754139 has 16 divisors (see below), whose sum is σ = 482582016. Its totient is φ = 298003200.
The previous prime is 384754129. The next prime is 384754151. The reversal of 384754139 is 931457483.
It is not a de Polignac number, because 384754139 - 212 = 384750043 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 384754139.
It is not an unprimeable number, because it can be changed into a prime (384754129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102 + ... + 27819.
It is an arithmetic number, because the mean of its divisors is an integer number (30161376).
Almost surely, 2384754139 is an apocalyptic number.
384754139 is a deficient number, since it is larger than the sum of its proper divisors (97827877).
384754139 is a wasteful number, since it uses less digits than its factorization.
384754139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30106.
The product of its digits is 362880, while the sum is 44.
The square root of 384754139 is about 19615.1507513962. The cubic root of 384754139 is about 727.3237459517.
The spelling of 384754139 in words is "three hundred eighty-four million, seven hundred fifty-four thousand, one hundred thirty-nine".
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