Base | Representation |
---|---|
bin | 11100100110000… |
… | …10011111100000 |
3 | 121201100202110222 |
4 | 32103002133200 |
5 | 442401400333 |
6 | 35445142212 |
7 | 5641610120 |
oct | 1623023740 |
9 | 551322428 |
10 | 239871968 |
11 | 1134463a6 |
12 | 683ba968 |
13 | 3a90779b |
14 | 23c00c80 |
15 | 160d3298 |
hex | e4c27e0 |
239871968 has 48 divisors (see below), whose sum is σ = 563189760. Its totient is φ = 98330496.
The previous prime is 239871967. The next prime is 239871977. The reversal of 239871968 is 869178932.
It is a super-2 number, since 2×2398719682 = 115077122064386048, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (239871967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18128 + ... + 28431.
It is an arithmetic number, because the mean of its divisors is an integer number (11733120).
Almost surely, 2239871968 is an apocalyptic number.
239871968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
239871968 is an abundant number, since it is smaller than the sum of its proper divisors (323317792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239871968 is a wasteful number, since it uses less digits than its factorization.
239871968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46599 (or 46591 counting only the distinct ones).
The product of its digits is 1306368, while the sum is 53.
The square root of 239871968 is about 15487.8006185514. The cubic root of 239871968 is about 621.3359745365.
The spelling of 239871968 in words is "two hundred thirty-nine million, eight hundred seventy-one thousand, nine hundred sixty-eight".
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