Base | Representation |
---|---|
bin | 1010000100110… |
… | …1000010010100 |
3 | 2221111221212121 |
4 | 2201031002110 |
5 | 41304233310 |
6 | 4105425324 |
7 | 1022122600 |
oct | 241150224 |
9 | 87457777 |
10 | 42258580 |
11 | 21943551 |
12 | 1219b244 |
13 | 89a78a0 |
14 | 5880500 |
15 | 3a9b0da |
hex | 284d094 |
42258580 has 144 divisors (see below), whose sum is σ = 115831296. Its totient is φ = 12821760.
The previous prime is 42258571. The next prime is 42258589. The reversal of 42258580 is 8585224.
It is an interprime number because it is at equal distance from previous prime (42258571) and next prime (42258589).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42258589) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394887 + ... + 394993.
It is an arithmetic number, because the mean of its divisors is an integer number (804384).
Almost surely, 242258580 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 42258580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648).
42258580 is an abundant number, since it is smaller than the sum of its proper divisors (73572716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42258580 is a wasteful number, since it uses less digits than its factorization.
42258580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174 (or 165 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 34.
The square root of 42258580 is about 6500.6599664957. The cubic root of 42258580 is about 348.3145634191.
The spelling of 42258580 in words is "forty-two million, two hundred fifty-eight thousand, five hundred eighty".
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