Base | Representation |
---|---|
bin | 110000111010101… |
… | …000100110111000 |
3 | 2010012020201021020 |
4 | 300322220212320 |
5 | 3140043131143 |
6 | 213233542440 |
7 | 26223432312 |
oct | 6072504670 |
9 | 2105221236 |
10 | 820677048 |
11 | 3912838a4 |
12 | 1aaa14a20 |
13 | 101042529 |
14 | 7adcc7b2 |
15 | 4c0ad883 |
hex | 30ea89b8 |
820677048 has 32 divisors (see below), whose sum is σ = 2067855360. Its totient is φ = 271404000.
The previous prime is 820677047. The next prime is 820677073. The reversal of 820677048 is 840776028.
It is a super-2 number, since 2×8206770482 = 1347021634227988608, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (820677047) 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, 131578 + ... + 137673.
It is an arithmetic number, because the mean of its divisors is an integer number (64620480).
Almost surely, 2820677048 is an apocalyptic number.
It is an amenable number.
820677048 is an abundant number, since it is smaller than the sum of its proper divisors (1247178312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
820677048 is a wasteful number, since it uses less digits than its factorization.
820677048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 269387 (or 269383 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 820677048 is about 28647.4614582165. The cubic root of 820677048 is about 936.2476972474.
The spelling of 820677048 in words is "eight hundred twenty million, six hundred seventy-seven thousand, forty-eight".
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