Base | Representation |
---|---|
bin | 1100011011000… |
… | …1000001011001 |
3 | 10122001020001010 |
4 | 3012301001121 |
5 | 101314332210 |
6 | 5100444133 |
7 | 1201613340 |
oct | 306610131 |
9 | 118036033 |
10 | 52105305 |
11 | 2745953a |
12 | 15549649 |
13 | aa44755 |
14 | 6cc4b57 |
15 | 4893920 |
hex | 31b1059 |
52105305 has 32 divisors (see below), whose sum is σ = 95549184. Its totient is φ = 23751936.
The previous prime is 52105303. The next prime is 52105309. The reversal of 52105305 is 50350125.
It is not a de Polignac number, because 52105305 - 21 = 52105303 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (52105303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70719 + ... + 71451.
It is an arithmetic number, because the mean of its divisors is an integer number (2985912).
Almost surely, 252105305 is an apocalyptic number.
It is an amenable number.
52105305 is a deficient number, since it is larger than the sum of its proper divisors (43443879).
52105305 is a wasteful number, since it uses less digits than its factorization.
52105305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1425.
The product of its (nonzero) digits is 750, while the sum is 21.
The square root of 52105305 is about 7218.4004460822. The cubic root of 52105305 is about 373.5029022604.
The spelling of 52105305 in words is "fifty-two million, one hundred five thousand, three hundred five".
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