Base | Representation |
---|---|
bin | 1010000010110… |
… | …0111101111110 |
3 | 2221021021200210 |
4 | 2200230331332 |
5 | 41241032410 |
6 | 4102533250 |
7 | 1021034625 |
oct | 240547576 |
9 | 87237623 |
10 | 42127230 |
11 | 218638a2 |
12 | 12137226 |
13 | 895cb72 |
14 | 58486bc |
15 | 3a72220 |
hex | 282cf7e |
42127230 has 32 divisors (see below), whose sum is σ = 101702304. Its totient is φ = 11167616.
The previous prime is 42127223. The next prime is 42127243. The reversal of 42127230 is 3272124.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 42127197 and 42127206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132 + ... + 9248.
It is an arithmetic number, because the mean of its divisors is an integer number (3178197).
Almost surely, 242127230 is an apocalyptic number.
42127230 is an abundant number, since it is smaller than the sum of its proper divisors (59575074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42127230 is a wasteful number, since it uses less digits than its factorization.
42127230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8300.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 42127230 is about 6490.5492833812. The cubic root of 42127230 is about 347.9533065902.
Adding to 42127230 its reverse (3272124), we get a palindrome (45399354).
The spelling of 42127230 in words is "forty-two million, one hundred twenty-seven thousand, two hundred thirty".
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