Base | Representation |
---|---|
bin | 1010000010100… |
… | …0110010111011 |
3 | 2221020102020210 |
4 | 2200220302323 |
5 | 41240011024 |
6 | 4102322203 |
7 | 1020634041 |
oct | 240506273 |
9 | 87212223 |
10 | 42110139 |
11 | 21851a75 |
12 | 12129363 |
13 | 8955156 |
14 | 5842391 |
15 | 3a6c129 |
hex | 2828cbb |
42110139 has 8 divisors (see below), whose sum is σ = 59449680. Its totient is φ = 26422016.
The previous prime is 42110119. The next prime is 42110141. The reversal of 42110139 is 93101124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42110139 - 28 = 42109883 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42110119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412794 + ... + 412895.
It is an arithmetic number, because the mean of its divisors is an integer number (7431210).
Almost surely, 242110139 is an apocalyptic number.
42110139 is a deficient number, since it is larger than the sum of its proper divisors (17339541).
42110139 is a wasteful number, since it uses less digits than its factorization.
42110139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 825709.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 42110139 is about 6489.2325432211. The cubic root of 42110139 is about 347.9062453873.
The spelling of 42110139 in words is "forty-two million, one hundred ten thousand, one hundred thirty-nine".
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