Base | Representation |
---|---|
bin | 1110101011001… |
… | …10100011010010 |
3 | 22120122022011202 |
4 | 13111212203102 |
5 | 223003302232 |
6 | 20114311202 |
7 | 3023235110 |
oct | 725464322 |
9 | 276568152 |
10 | 123103442 |
11 | 63541490 |
12 | 35288502 |
13 | 1c672697 |
14 | 124c6ab0 |
15 | ac1a162 |
hex | 75668d2 |
123103442 has 32 divisors (see below), whose sum is σ = 233017344. Its totient is φ = 47379600.
The previous prime is 123103439. The next prime is 123103447. The reversal of 123103442 is 244301321.
It is not an unprimeable number, because it can be changed into a prime (123103447) 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, 7967 + ... + 17597.
It is an arithmetic number, because the mean of its divisors is an integer number (7281792).
Almost surely, 2123103442 is an apocalyptic number.
123103442 is a deficient number, since it is larger than the sum of its proper divisors (109913902).
123103442 is a wasteful number, since it uses less digits than its factorization.
123103442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9734.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 123103442 is about 11095.1990518422. The cubic root of 123103442 is about 497.4583580037.
Adding to 123103442 its reverse (244301321), we get a palindrome (367404763).
The spelling of 123103442 in words is "one hundred twenty-three million, one hundred three thousand, four hundred forty-two".
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