Base | Representation |
---|---|
bin | 1010001010000… |
… | …1101011111110 |
3 | 2222011120111110 |
4 | 2202201223332 |
5 | 41401332220 |
6 | 4121102450 |
7 | 1025065506 |
oct | 242415376 |
9 | 88146443 |
10 | 42605310 |
11 | 22060000 |
12 | 12327a26 |
13 | 8a99657 |
14 | 5930a06 |
15 | 3b18be0 |
hex | 28a1afe |
42605310 has 80 divisors (see below), whose sum is σ = 113636880. Its totient is φ = 10222080.
The previous prime is 42605291. The next prime is 42605323. The reversal of 42605310 is 1350624.
It is a happy number.
It is a super-2 number, since 2×426053102 = 3630424880392200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 439182 + ... + 439278.
It is an arithmetic number, because the mean of its divisors is an integer number (1420461).
Almost surely, 242605310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42605310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56818440).
42605310 is an abundant number, since it is smaller than the sum of its proper divisors (71031570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42605310 is an equidigital number, since it uses as much as digits as its factorization.
42605310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151 (or 118 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 42605310 is about 6527.2743162824. The cubic root of 42605310 is about 349.2646055851.
Adding to 42605310 its reverse (1350624), we get a palindrome (43955934).
The spelling of 42605310 in words is "forty-two million, six hundred five thousand, three hundred ten".
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