Base | Representation |
---|---|
bin | 1100100010111… |
… | …10001011001110 |
3 | 21100000220201120 |
4 | 12101132023032 |
5 | 203420241332 |
6 | 14235421410 |
7 | 2415360621 |
oct | 621361316 |
9 | 240026646 |
10 | 105243342 |
11 | 54452976 |
12 | 2b2b4866 |
13 | 18a5b289 |
14 | dd97db8 |
15 | 938d32c |
hex | 645e2ce |
105243342 has 8 divisors (see below), whose sum is σ = 210486696. Its totient is φ = 35081112.
The previous prime is 105243323. The next prime is 105243343. The reversal of 105243342 is 243342501.
It is a sphenic number, since it is the product of 3 distinct primes.
105243342 is an admirable number.
It is a super-2 number, since 2×1052433422 = 22152322070657928, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105243343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8770273 + ... + 8770284.
It is an arithmetic number, because the mean of its divisors is an integer number (26310837).
Almost surely, 2105243342 is an apocalyptic number.
105243342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105243342 is a wasteful number, since it uses less digits than its factorization.
105243342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17540562.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 105243342 is about 10258.8177681446. The cubic root of 105243342 is about 472.1335654514.
Adding to 105243342 its reverse (243342501), we get a palindrome (348585843).
The spelling of 105243342 in words is "one hundred five million, two hundred forty-three thousand, three hundred forty-two".
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