Base | Representation |
---|---|
bin | 1100100101001… |
… | …00010101011011 |
3 | 21100120111221000 |
4 | 12102210111123 |
5 | 204003440330 |
6 | 14245520043 |
7 | 2420665503 |
oct | 622442533 |
9 | 240514830 |
10 | 105530715 |
11 | 54629874 |
12 | 2b413023 |
13 | 18b2c014 |
14 | 10030a03 |
15 | 93e8560 |
hex | 64a455b |
105530715 has 32 divisors (see below), whose sum is σ = 188136000. Its totient is φ = 56125440.
The previous prime is 105530707. The next prime is 105530717. The reversal of 105530715 is 517035501.
It is not a de Polignac number, because 105530715 - 23 = 105530707 is a prime.
It is a super-2 number, since 2×1055307152 = 22273463616822450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (105530717) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59745 + ... + 61485.
It is an arithmetic number, because the mean of its divisors is an integer number (5879250).
Almost surely, 2105530715 is an apocalyptic number.
105530715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
105530715 is a deficient number, since it is larger than the sum of its proper divisors (82605285).
105530715 is a wasteful number, since it uses less digits than its factorization.
105530715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2204 (or 2198 counting only the distinct ones).
The product of its (nonzero) digits is 2625, while the sum is 27.
The square root of 105530715 is about 10272.8143660829. The cubic root of 105530715 is about 472.5629041976.
The spelling of 105530715 in words is "one hundred five million, five hundred thirty thousand, seven hundred fifteen".
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