Base | Representation |
---|---|
bin | 1100100010111… |
… | …00011010001001 |
3 | 21100000112210112 |
4 | 12101130122021 |
5 | 203420023410 |
6 | 14235324105 |
7 | 2415330542 |
oct | 621343211 |
9 | 240015715 |
10 | 105236105 |
11 | 54448497 |
12 | 2b2b0635 |
13 | 18a57bb0 |
14 | dd954c9 |
15 | 938b105 |
hex | 645c689 |
105236105 has 16 divisors (see below), whose sum is σ = 137277504. Its totient is φ = 76981440.
The previous prime is 105236101. The next prime is 105236113. The reversal of 105236105 is 501632501.
It is not a de Polignac number, because 105236105 - 22 = 105236101 is a prime.
It is a super-2 number, since 2×1052361052 = 22149275591142050, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (105236101) 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, 611 + ... + 14520.
It is an arithmetic number, because the mean of its divisors is an integer number (8579844).
Almost surely, 2105236105 is an apocalyptic number.
It is an amenable number.
105236105 is a deficient number, since it is larger than the sum of its proper divisors (32041399).
105236105 is a wasteful number, since it uses less digits than its factorization.
105236105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15256.
The product of its (nonzero) digits is 900, while the sum is 23.
The square root of 105236105 is about 10258.4650411258. The cubic root of 105236105 is about 472.1227432025.
Adding to 105236105 its reverse (501632501), we get a palindrome (606868606).
The spelling of 105236105 in words is "one hundred five million, two hundred thirty-six thousand, one hundred five".
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