Base | Representation |
---|---|
bin | 1100100011011… |
… | …01011110101001 |
3 | 21100011002201011 |
4 | 12101231132221 |
5 | 203424243100 |
6 | 14241023521 |
7 | 2416041436 |
oct | 621553651 |
9 | 240132634 |
10 | 105306025 |
11 | 54495a80 |
12 | 2b324ba1 |
13 | 18a80976 |
14 | ddb2b8d |
15 | 93a1bba |
hex | 646d7a9 |
105306025 has 24 divisors (see below), whose sum is σ = 143365824. Its totient is φ = 76094400.
The previous prime is 105306017. The next prime is 105306049. The reversal of 105306025 is 520603501.
It is a happy number.
It is not a de Polignac number, because 105306025 - 23 = 105306017 is a prime.
It is a super-2 number, since 2×1053060252 = 22178717802601250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 105305987 and 105306005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44779 + ... + 47071.
It is an arithmetic number, because the mean of its divisors is an integer number (5973576).
Almost surely, 2105306025 is an apocalyptic number.
It is an amenable number.
105306025 is a deficient number, since it is larger than the sum of its proper divisors (38059799).
105306025 is a wasteful number, since it uses less digits than its factorization.
105306025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2481 (or 2476 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 105306025 is about 10261.8723925023. The cubic root of 105306025 is about 472.2272811966.
Adding to 105306025 its reverse (520603501), we get a palindrome (625909526).
It can be divided in two parts, 10 and 5306025, that added together give a palindrome (5306035).
The spelling of 105306025 in words is "one hundred five million, three hundred six thousand, twenty-five".
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