Base | Representation |
---|---|
bin | 10010100010100… |
… | …010110000000100 |
3 | 210200021201200210 |
4 | 102202202300010 |
5 | 1114111420444 |
6 | 50510435420 |
7 | 10464561045 |
oct | 2242426004 |
9 | 720251623 |
10 | 311045124 |
11 | 14a638895 |
12 | 88202b70 |
13 | 4c597290 |
14 | 2d44a8cc |
15 | 1c4917b9 |
hex | 128a2c04 |
311045124 has 96 divisors (see below), whose sum is σ = 871274880. Its totient is φ = 85321728.
The previous prime is 311045113. The next prime is 311045131. The reversal of 311045124 is 421540113.
It is a self number, because there is not a number n which added to its sum of digits gives 311045124.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47302 + ... + 53474.
It is an arithmetic number, because the mean of its divisors is an integer number (9075780).
Almost surely, 2311045124 is an apocalyptic number.
311045124 is a gapful number since it is divisible by the number (34) 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 311045124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435637440).
311045124 is an abundant number, since it is smaller than the sum of its proper divisors (560229756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
311045124 is a wasteful number, since it uses less digits than its factorization.
311045124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6229 (or 6227 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 311045124 is about 17636.4714157906. The cubic root of 311045124 is about 677.5496613515.
Adding to 311045124 its reverse (421540113), we get a palindrome (732585237).
The spelling of 311045124 in words is "three hundred eleven million, forty-five thousand, one hundred twenty-four".
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