Base | Representation |
---|---|
bin | 100000101110001… |
… | …111100110000100 |
3 | 1102021000202101100 |
4 | 200232033212010 |
5 | 2111020242122 |
6 | 130250500100 |
7 | 16414236612 |
oct | 4056174604 |
9 | 1367022340 |
10 | 548993412 |
11 | 26198a970 |
12 | 133a34630 |
13 | 8997a296 |
14 | 52caa6b2 |
15 | 332e4aac |
hex | 20b8f984 |
548993412 has 72 divisors (see below), whose sum is σ = 1538776512. Its totient is φ = 163627200.
The previous prime is 548993363. The next prime is 548993413. The reversal of 548993412 is 214399845.
548993412 is a `hidden beast` number, since 548 + 9 + 93 + 4 + 12 = 666.
It is not an unprimeable number, because it can be changed into a prime (548993413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12793 + ... + 35519.
It is an arithmetic number, because the mean of its divisors is an integer number (21371896).
Almost surely, 2548993412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 548993412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769388256).
548993412 is an abundant number, since it is smaller than the sum of its proper divisors (989783100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
548993412 is a wasteful number, since it uses less digits than its factorization.
548993412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22809 (or 22804 counting only the distinct ones).
The product of its digits is 311040, while the sum is 45.
The square root of 548993412 is about 23430.6084428040. The cubic root of 548993412 is about 818.8211356953.
It can be divided in two parts, 54899 and 3412, that added together give a triangular number (58311 = T341).
The spelling of 548993412 in words is "five hundred forty-eight million, nine hundred ninety-three thousand, four hundred twelve".
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