Base | Representation |
---|---|
bin | 111100110001110… |
… | …0111111101001110 |
3 | 12021010110022221200 |
4 | 1321203213331032 |
5 | 13134040204323 |
6 | 534211010330 |
7 | 101352313434 |
oct | 17143477516 |
9 | 5233408850 |
10 | 2039381838 |
11 | 9571a583a |
12 | 48ab999a6 |
13 | 266685720 |
14 | 154bcad54 |
15 | be091443 |
hex | 798e7f4e |
2039381838 has 48 divisors (see below), whose sum is σ = 4762570176. Its totient is φ = 626973120.
The previous prime is 2039381837. The next prime is 2039381857. The reversal of 2039381838 is 8381839302.
It is a junction number, because it is equal to n+sod(n) for n = 2039381793 and 2039381802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2039381833) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345028 + ... + 350888.
It is an arithmetic number, because the mean of its divisors is an integer number (99220212).
Almost surely, 22039381838 is an apocalyptic number.
2039381838 is an abundant number, since it is smaller than the sum of its proper divisors (2723188338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2039381838 is a wasteful number, since it uses less digits than its factorization.
2039381838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7369 (or 7366 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The square root of 2039381838 is about 45159.5154757001. The cubic root of 2039381838 is about 1268.1370246525.
The spelling of 2039381838 in words is "two billion, thirty-nine million, three hundred eighty-one thousand, eight hundred thirty-eight".
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