Base | Representation |
---|---|
bin | 110001100011001… |
… | …100100100000000 |
3 | 2010221020221001020 |
4 | 301203030210000 |
5 | 3200303410310 |
6 | 214253505440 |
7 | 26413006356 |
oct | 6143144400 |
9 | 2127227036 |
10 | 831310080 |
11 | 397286627 |
12 | 1b24a2280 |
13 | 1032c6273 |
14 | 7c5997d6 |
15 | 4ceae170 |
hex | 318cc900 |
831310080 has 144 divisors (see below), whose sum is σ = 2727219264. Its totient is φ = 215654400.
The previous prime is 831310061. The next prime is 831310111. The reversal of 831310080 is 80013138.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 831310080.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139155 + ... + 145005.
Almost surely, 2831310080 is an apocalyptic number.
831310080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 831310080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363609632).
831310080 is an abundant number, since it is smaller than the sum of its proper divisors (1895909184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
831310080 is a wasteful number, since it uses less digits than its factorization.
831310080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5912 (or 5898 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 831310080 is about 28832.4483871904. The cubic root of 831310080 is about 940.2738299863.
The spelling of 831310080 in words is "eight hundred thirty-one million, three hundred ten thousand, eighty".
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