Base | Representation |
---|---|
bin | 1100100101011… |
… | …00010111111001 |
3 | 21100122012002111 |
4 | 12102230113321 |
5 | 204011014031 |
6 | 14250332321 |
7 | 2421163501 |
oct | 622542771 |
9 | 240565074 |
10 | 105563641 |
11 | 54651587 |
12 | 2b42a0a1 |
13 | 18b40cc1 |
14 | 1003ca01 |
15 | 94031b1 |
hex | 64ac5f9 |
105563641 has 4 divisors (see below), whose sum is σ = 105734800. Its totient is φ = 105392484.
The previous prime is 105563597. The next prime is 105563737. The reversal of 105563641 is 146365501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 105563641 - 213 = 105555449 is a prime.
It is a super-2 number, since 2×1055636412 = 22287364602353762, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105563141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84651 + ... + 85888.
It is an arithmetic number, because the mean of its divisors is an integer number (26433700).
Almost surely, 2105563641 is an apocalyptic number.
It is an amenable number.
105563641 is a deficient number, since it is larger than the sum of its proper divisors (171159).
105563641 is an equidigital number, since it uses as much as digits as its factorization.
105563641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171158.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 105563641 is about 10274.4168204332. The cubic root of 105563641 is about 472.6120462515.
The spelling of 105563641 in words is "one hundred five million, five hundred sixty-three thousand, six hundred forty-one".
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