Base | Representation |
---|---|
bin | 1100100010110… |
… | …11010001011011 |
3 | 21100000022102011 |
4 | 12101123101123 |
5 | 203414401301 |
6 | 14235250351 |
7 | 2415311143 |
oct | 621332133 |
9 | 240008364 |
10 | 105231451 |
11 | 54444a46 |
12 | 2b2a99b7 |
13 | 18a55a40 |
14 | dd93923 |
15 | 9389a51 |
hex | 645b45b |
105231451 has 8 divisors (see below), whose sum is σ = 113511440. Its totient is φ = 96977952.
The previous prime is 105231437. The next prime is 105231457. The reversal of 105231451 is 154132501.
It is a happy number.
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 105231451 - 25 = 105231419 is a prime.
It is a super-2 number, since 2×1052314512 = 22147316559130802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105231457) 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, 2065 + ... + 14653.
It is an arithmetic number, because the mean of its divisors is an integer number (14188930).
Almost surely, 2105231451 is an apocalyptic number.
105231451 is a deficient number, since it is larger than the sum of its proper divisors (8279989).
105231451 is a wasteful number, since it uses less digits than its factorization.
105231451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13245.
The product of its (nonzero) digits is 600, while the sum is 22.
The square root of 105231451 is about 10258.2382015627. The cubic root of 105231451 is about 472.1157833236.
Adding to 105231451 its reverse (154132501), we get a palindrome (259363952).
The spelling of 105231451 in words is "one hundred five million, two hundred thirty-one thousand, four hundred fifty-one".
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