Base | Representation |
---|---|
bin | 1010000010101… |
… | …0000000010101 |
3 | 2221020200001021 |
4 | 2200222000111 |
5 | 41240140333 |
6 | 4102401141 |
7 | 1020654346 |
oct | 240520025 |
9 | 87220037 |
10 | 42115093 |
11 | 21855769 |
12 | 121301b1 |
13 | 8957497 |
14 | 58440cd |
15 | 3a6d82d |
hex | 282a015 |
42115093 has 16 divisors (see below), whose sum is σ = 45048960. Its totient is φ = 39289536.
The previous prime is 42115079. The next prime is 42115097. The reversal of 42115093 is 39051124.
It is a cyclic number.
It is not a de Polignac number, because 42115093 - 29 = 42114581 is a prime.
It is a Duffinian number.
It is a zygodrome in base 4.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42115097) 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, 268171 + ... + 268327.
It is an arithmetic number, because the mean of its divisors is an integer number (2815560).
Almost surely, 242115093 is an apocalyptic number.
It is an amenable number.
42115093 is a deficient number, since it is larger than the sum of its proper divisors (2933867).
42115093 is a wasteful number, since it uses less digits than its factorization.
42115093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 42115093 is about 6489.6142412319. The cubic root of 42115093 is about 347.9198878654.
The spelling of 42115093 in words is "forty-two million, one hundred fifteen thousand, ninety-three".
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