Base | Representation |
---|---|
bin | 1100100001010… |
… | …00011110000001 |
3 | 21022121201222010 |
4 | 12100220132001 |
5 | 203341221421 |
6 | 14231003133 |
7 | 2413453362 |
oct | 620503601 |
9 | 238551863 |
10 | 105023361 |
11 | 54312673 |
12 | 2b2094a9 |
13 | 189b2101 |
14 | dd3bb69 |
15 | 9348076 |
hex | 6428781 |
105023361 has 4 divisors (see below), whose sum is σ = 140031152. Its totient is φ = 70015572.
The previous prime is 105023341. The next prime is 105023383. The reversal of 105023361 is 163320501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163320501 = 3 ⋅54440167.
It is not a de Polignac number, because 105023361 - 29 = 105022849 is a prime.
It is a super-2 number, since 2×1050233612 = 22059812711472642, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (105023341) 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, 17503891 + ... + 17503896.
It is an arithmetic number, because the mean of its divisors is an integer number (35007788).
Almost surely, 2105023361 is an apocalyptic number.
It is an amenable number.
105023361 is a deficient number, since it is larger than the sum of its proper divisors (35007791).
105023361 is an equidigital number, since it uses as much as digits as its factorization.
105023361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35007790.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 105023361 is about 10248.0906026440. The cubic root of 105023361 is about 471.8043827544.
Adding to 105023361 its reverse (163320501), we get a palindrome (268343862).
The spelling of 105023361 in words is "one hundred five million, twenty-three thousand, three hundred sixty-one".
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