Base | Representation |
---|---|
bin | 1100100110100… |
… | …00000110010001 |
3 | 21100220121211001 |
4 | 12103100012101 |
5 | 204030204334 |
6 | 14253422001 |
7 | 2422343221 |
oct | 623200621 |
9 | 240817731 |
10 | 105709969 |
11 | 54741512 |
12 | 2b49a901 |
13 | 18b927a1 |
14 | 1007a081 |
15 | 9431714 |
hex | 64d0191 |
105709969 has 4 divisors (see below), whose sum is σ = 109120000. Its totient is φ = 102299940.
The previous prime is 105709963. The next prime is 105709991. The reversal of 105709969 is 969907501.
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 105709969 - 25 = 105709937 is a prime.
It is a super-2 number, since 2×1057099692 = 22349195091961922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105709963) 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, 1704969 + ... + 1705030.
It is an arithmetic number, because the mean of its divisors is an integer number (27280000).
Almost surely, 2105709969 is an apocalyptic number.
It is an amenable number.
105709969 is a deficient number, since it is larger than the sum of its proper divisors (3410031).
105709969 is an equidigital number, since it uses as much as digits as its factorization.
105709969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3410030.
The product of its (nonzero) digits is 153090, while the sum is 46.
The square root of 105709969 is about 10281.5353425449. The cubic root of 105709969 is about 472.8303172569.
The spelling of 105709969 in words is "one hundred five million, seven hundred nine thousand, nine hundred sixty-nine".
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