Base | Representation |
---|---|
bin | 1010000001011… |
… | …1001101110010 |
3 | 2221002202110210 |
4 | 2200113031302 |
5 | 41230210010 |
6 | 4101004550 |
7 | 1020214101 |
oct | 240271562 |
9 | 87082423 |
10 | 42038130 |
11 | 21802962 |
12 | 120b3756 |
13 | 892b444 |
14 | 5824038 |
15 | 3a55b20 |
hex | 2817372 |
42038130 has 32 divisors (see below), whose sum is σ = 101352384. Its totient is φ = 11158976.
The previous prime is 42038123. The next prime is 42038131. The reversal of 42038130 is 3183024.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 42038097 and 42038106.
It is not an unprimeable number, because it can be changed into a prime (42038131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3724 + ... + 9896.
It is an arithmetic number, because the mean of its divisors is an integer number (3167262).
Almost surely, 242038130 is an apocalyptic number.
42038130 is an abundant number, since it is smaller than the sum of its proper divisors (59314254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42038130 is a wasteful number, since it uses less digits than its factorization.
42038130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6410.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 42038130 is about 6483.6818243958. The cubic root of 42038130 is about 347.7078238591.
The spelling of 42038130 in words is "forty-two million, thirty-eight thousand, one hundred thirty".
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