Base | Representation |
---|---|
bin | 110001111111110… |
… | …000011001111000 |
3 | 2011110100022001121 |
4 | 301333300121320 |
5 | 3204213000140 |
6 | 215122155024 |
7 | 26533441033 |
oct | 6177603170 |
9 | 2143308047 |
10 | 838796920 |
11 | 3a052a5a5 |
12 | 1b4ab2a74 |
13 | 104a17c50 |
14 | 7d58801a |
15 | 4d98c64a |
hex | 31ff0678 |
838796920 has 64 divisors (see below), whose sum is σ = 2052721440. Its totient is φ = 306624000.
The previous prime is 838796891. The next prime is 838796939. The reversal of 838796920 is 29697838.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44535 + ... + 60505.
Almost surely, 2838796920 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 838796920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026360720).
838796920 is an abundant number, since it is smaller than the sum of its proper divisors (1213924520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
838796920 is a wasteful number, since it uses less digits than its factorization.
838796920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16096 (or 16092 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 52.
The square root of 838796920 is about 28961.9909536620. The cubic root of 838796920 is about 943.0881234353.
The spelling of 838796920 in words is "eight hundred thirty-eight million, seven hundred ninety-six thousand, nine hundred twenty".
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