Base | Representation |
---|---|
bin | 101111100101101… |
… | …000111000010000 |
3 | 2001122022201022021 |
4 | 233211220320100 |
5 | 3113342132140 |
6 | 211120221224 |
7 | 25533152620 |
oct | 5745507020 |
9 | 2048281267 |
10 | 798395920 |
11 | 37a745743 |
12 | 1a346a814 |
13 | c9540a2a |
14 | 7806c880 |
15 | 4a15bb4a |
hex | 2f968e10 |
798395920 has 40 divisors (see below), whose sum is σ = 2121453504. Its totient is φ = 273735552.
The previous prime is 798395891. The next prime is 798395929. The reversal of 798395920 is 29593897.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (798395929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712294 + ... + 713413.
Almost surely, 2798395920 is an apocalyptic number.
798395920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
798395920 is an abundant number, since it is smaller than the sum of its proper divisors (1323057584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
798395920 is a wasteful number, since it uses less digits than its factorization.
798395920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1425727 (or 1425721 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 52.
The square root of 798395920 is about 28255.9006227018. The cubic root of 798395920 is about 927.6968949161.
The spelling of 798395920 in words is "seven hundred ninety-eight million, three hundred ninety-five thousand, nine hundred twenty".
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