Base | Representation |
---|---|
bin | 110001010111011… |
… | …100110011011000 |
3 | 2010201110111011111 |
4 | 301113130303120 |
5 | 3144011341442 |
6 | 214103510104 |
7 | 26344563160 |
oct | 6127346330 |
9 | 2121414144 |
10 | 828230872 |
11 | 395573127 |
12 | 1b1458334 |
13 | 102788851 |
14 | 7bdd75a0 |
15 | 4caa1b17 |
hex | 315dccd8 |
828230872 has 32 divisors (see below), whose sum is σ = 1775704320. Its totient is φ = 354771360.
The previous prime is 828230867. The next prime is 828230927. The reversal of 828230872 is 278032828.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204693 + ... + 208699.
It is an arithmetic number, because the mean of its divisors is an integer number (55490760).
Almost surely, 2828230872 is an apocalyptic number.
It is an amenable number.
828230872 is an abundant number, since it is smaller than the sum of its proper divisors (947473448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
828230872 is a wasteful number, since it uses less digits than its factorization.
828230872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7711 (or 7707 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 40.
The square root of 828230872 is about 28779.0005385872. Note that the first 3 decimals coincide. The cubic root of 828230872 is about 939.1114555152. Note that the first 3 decimals are identical.
The spelling of 828230872 in words is "eight hundred twenty-eight million, two hundred thirty thousand, eight hundred seventy-two".
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