Base | Representation |
---|---|
bin | 1010000010100… |
… | …1101101001101 |
3 | 2221020121100221 |
4 | 2200221231031 |
5 | 41240120434 |
6 | 4102351341 |
7 | 1020650650 |
oct | 240515515 |
9 | 87217327 |
10 | 42113869 |
11 | 21854856 |
12 | 1212b551 |
13 | 8956a65 |
14 | 5843897 |
15 | 3a6d2b4 |
hex | 2829b4d |
42113869 has 8 divisors (see below), whose sum is σ = 48607488. Its totient is φ = 35739600.
The previous prime is 42113849. The next prime is 42113917. The reversal of 42113869 is 96831124.
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 42113869 - 223 = 33725261 is a prime.
It is a super-2 number, since 2×421138692 = 3547155924298322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42113849) 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, 29077 + ... + 30490.
It is an arithmetic number, because the mean of its divisors is an integer number (6075936).
Almost surely, 242113869 is an apocalyptic number.
It is an amenable number.
42113869 is a deficient number, since it is larger than the sum of its proper divisors (6493619).
42113869 is a wasteful number, since it uses less digits than its factorization.
42113869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59675.
The product of its digits is 10368, while the sum is 34.
The square root of 42113869 is about 6489.5199360199. The cubic root of 42113869 is about 347.9165172760.
The spelling of 42113869 in words is "forty-two million, one hundred thirteen thousand, eight hundred sixty-nine".
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