Base | Representation |
---|---|
bin | 1010001000011… |
… | …1010010100000 |
3 | 2221222002011210 |
4 | 2202013102200 |
5 | 41334402214 |
6 | 4114510120 |
7 | 1024135332 |
oct | 242072240 |
9 | 87862153 |
10 | 42497184 |
11 | 21a96844 |
12 | 12295340 |
13 | 8a5c382 |
14 | 5903452 |
15 | 3ae6b59 |
hex | 28874a0 |
42497184 has 48 divisors (see below), whose sum is σ = 112341600. Its totient is φ = 14065920.
The previous prime is 42497179. The next prime is 42497207. The reversal of 42497184 is 48179424.
It is a tau number, because it is divible by the number of its divisors (48).
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, 12819 + ... + 15789.
It is an arithmetic number, because the mean of its divisors is an integer number (2340450).
Almost surely, 242497184 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 42497184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56170800).
42497184 is an abundant number, since it is smaller than the sum of its proper divisors (69844416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42497184 is a wasteful number, since it uses less digits than its factorization.
42497184 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3133 (or 3125 counting only the distinct ones).
The product of its digits is 64512, while the sum is 39.
The square root of 42497184 is about 6518.9864242841. The cubic root of 42497184 is about 348.9688945822.
The spelling of 42497184 in words is "forty-two million, four hundred ninety-seven thousand, one hundred eighty-four".
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