Base | Representation |
---|---|
bin | 1100010101001… |
… | …11001010010110 |
3 | 21012122120001120 |
4 | 12022213022112 |
5 | 202440221032 |
6 | 14133104410 |
7 | 2364161223 |
oct | 612471226 |
9 | 235576046 |
10 | 103445142 |
11 | 53434959 |
12 | 2a788106 |
13 | 1857b958 |
14 | da4a94a |
15 | 913562c |
hex | 62a7296 |
103445142 has 32 divisors (see below), whose sum is σ = 212292960. Its totient is φ = 33592320.
The previous prime is 103445123. The next prime is 103445201. The reversal of 103445142 is 241544301.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38598 + ... + 41190.
It is an arithmetic number, because the mean of its divisors is an integer number (6634155).
Almost surely, 2103445142 is an apocalyptic number.
103445142 is an abundant number, since it is smaller than the sum of its proper divisors (108847818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103445142 is a wasteful number, since it uses less digits than its factorization.
103445142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2768.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 103445142 is about 10170.7984937270. The cubic root of 103445142 is about 469.4291273174.
Adding to 103445142 its reverse (241544301), we get a palindrome (344989443).
The spelling of 103445142 in words is "one hundred three million, four hundred forty-five thousand, one hundred forty-two".
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