Base | Representation |
---|---|
bin | 1100100011001… |
… | …11011000001001 |
3 | 21100002211102112 |
4 | 12101213120021 |
5 | 203422443113 |
6 | 14240312105 |
7 | 2415605534 |
oct | 621473011 |
9 | 240084375 |
10 | 105281033 |
11 | 54479220 |
12 | 2b312635 |
13 | 18a72490 |
14 | dda7a1b |
15 | 93995a8 |
hex | 6467609 |
105281033 has 16 divisors (see below), whose sum is σ = 130200000. Its totient is φ = 83695680.
The previous prime is 105281027. The next prime is 105281041. The reversal of 105281033 is 330182501.
It is a cyclic number.
It is not a de Polignac number, because 105281033 - 26 = 105280969 is a prime.
It is a super-2 number, since 2×1052810332 = 22168191819094178, 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 (105281023) 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, 16658 + ... + 22091.
It is an arithmetic number, because the mean of its divisors is an integer number (8137500).
Almost surely, 2105281033 is an apocalyptic number.
105281033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
105281033 is a deficient number, since it is larger than the sum of its proper divisors (24918967).
105281033 is a wasteful number, since it uses less digits than its factorization.
105281033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38792.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 105281033 is about 10260.6546087469. The cubic root of 105281033 is about 472.1899207576.
The spelling of 105281033 in words is "one hundred five million, two hundred eighty-one thousand, thirty-three".
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