Base | Representation |
---|---|
bin | 1010000010101… |
… | …0000100001111 |
3 | 2221020200101112 |
4 | 2200222010033 |
5 | 41240142333 |
6 | 4102402235 |
7 | 1020655154 |
oct | 240520417 |
9 | 87220345 |
10 | 42115343 |
11 | 21855976 |
12 | 1213037b |
13 | 895762a |
14 | 584422b |
15 | 3a6d948 |
hex | 282a10f |
42115343 has 6 divisors (see below), whose sum is σ = 44448984. Its totient is φ = 39898404.
The previous prime is 42115331. The next prime is 42115349. The reversal of 42115343 is 34351124.
It is not a de Polignac number, because 42115343 - 212 = 42111247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42115349) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57971 + ... + 58692.
It is an arithmetic number, because the mean of its divisors is an integer number (7408164).
Almost surely, 242115343 is an apocalyptic number.
42115343 is a deficient number, since it is larger than the sum of its proper divisors (2333641).
42115343 is a wasteful number, since it uses less digits than its factorization.
42115343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116701 (or 116682 counting only the distinct ones).
The product of its digits is 1440, while the sum is 23.
The square root of 42115343 is about 6489.6335027488. The cubic root of 42115343 is about 347.9205762948.
Adding to 42115343 its reverse (34351124), we get a palindrome (76466467).
The spelling of 42115343 in words is "forty-two million, one hundred fifteen thousand, three hundred forty-three".
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