Base | Representation |
---|---|
bin | 1010000010111… |
… | …0001100101110 |
3 | 2221021112121110 |
4 | 2200232030232 |
5 | 41241213040 |
6 | 4103012450 |
7 | 1021055415 |
oct | 240561456 |
9 | 87245543 |
10 | 42132270 |
11 | 21867664 |
12 | 1213a126 |
13 | 896224b |
14 | 584a47c |
15 | 3a73980 |
hex | 282e32e |
42132270 has 32 divisors (see below), whose sum is σ = 103853088. Its totient is φ = 10931328.
The previous prime is 42132227. The next prime is 42132319. The reversal of 42132270 is 7223124.
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, 17869 + ... + 20088.
It is an arithmetic number, because the mean of its divisors is an integer number (3245409).
Almost surely, 242132270 is an apocalyptic number.
42132270 is an abundant number, since it is smaller than the sum of its proper divisors (61720818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42132270 is a wasteful number, since it uses less digits than its factorization.
42132270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38004.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 42132270 is about 6490.9375285855. The cubic root of 42132270 is about 347.9671821345.
Adding to 42132270 its reverse (7223124), we get a palindrome (49355394).
The spelling of 42132270 in words is "forty-two million, one hundred thirty-two thousand, two hundred seventy".
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