Base | Representation |
---|---|
bin | 10001010011000… |
… | …11100011001110 |
3 | 101010001102012121 |
4 | 20221203203032 |
5 | 244122024441 |
6 | 22222123154 |
7 | 3411265600 |
oct | 1051434316 |
9 | 333042177 |
10 | 145111246 |
11 | 74a03255 |
12 | 407204ba |
13 | 240a9957 |
14 | 153b5170 |
15 | cb15dd1 |
hex | 8a638ce |
145111246 has 24 divisors (see below), whose sum is σ = 266534280. Its totient is φ = 58916592.
The previous prime is 145111223. The next prime is 145111247. The reversal of 145111246 is 642111541.
It is a self number, because there is not a number n which added to its sum of digits gives 145111246.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145111247) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 37105 + ... + 40828.
It is an arithmetic number, because the mean of its divisors is an integer number (11105595).
Almost surely, 2145111246 is an apocalyptic number.
145111246 is a deficient number, since it is larger than the sum of its proper divisors (121423034).
145111246 is a wasteful number, since it uses less digits than its factorization.
145111246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77968 (or 77961 counting only the distinct ones).
The product of its digits is 960, while the sum is 25.
The square root of 145111246 is about 12046.2129318720. The cubic root of 145111246 is about 525.4931070738.
Adding to 145111246 its reverse (642111541), we get a palindrome (787222787).
The spelling of 145111246 in words is "one hundred forty-five million, one hundred eleven thousand, two hundred forty-six".
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