Base | Representation |
---|---|
bin | 1100100010000… |
… | …11000000001101 |
3 | 21022211021001110 |
4 | 12101003000031 |
5 | 203403211140 |
6 | 14233202233 |
7 | 2414415264 |
oct | 621030015 |
9 | 238737043 |
10 | 105132045 |
11 | 54387297 |
12 | 2b260379 |
13 | 18a1c715 |
14 | dd695db |
15 | 936a380 |
hex | 644300d |
105132045 has 32 divisors (see below), whose sum is σ = 173181312. Its totient is φ = 54438912.
The previous prime is 105132031. The next prime is 105132061. The reversal of 105132045 is 540231501.
It is not a de Polignac number, because 105132045 - 26 = 105131981 is a prime.
It is a super-2 number, since 2×1051320452 = 22105493771764050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72649 + ... + 74081.
It is an arithmetic number, because the mean of its divisors is an integer number (5411916).
Almost surely, 2105132045 is an apocalyptic number.
105132045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
105132045 is a deficient number, since it is larger than the sum of its proper divisors (68049267).
105132045 is a wasteful number, since it uses less digits than its factorization.
105132045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1581.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 105132045 is about 10253.3918778129. The cubic root of 105132045 is about 471.9670764285.
Adding to 105132045 its reverse (540231501), we get a palindrome (645363546).
The spelling of 105132045 in words is "one hundred five million, one hundred thirty-two thousand, forty-five".
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