Base | Representation |
---|---|
bin | 1100100101011… |
… | …01110001111001 |
3 | 21100122110222211 |
4 | 12102231301321 |
5 | 204011210101 |
6 | 14250415121 |
7 | 2421216340 |
oct | 622556171 |
9 | 240573884 |
10 | 105569401 |
11 | 54655943 |
12 | 2b4314a1 |
13 | 18b43802 |
14 | 10040b57 |
15 | 9404c51 |
hex | 64adc79 |
105569401 has 4 divisors (see below), whose sum is σ = 120650752. Its totient is φ = 90488052.
The previous prime is 105569393. The next prime is 105569411. The reversal of 105569401 is 104965501.
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, and also an emirpimes, since its reverse is a distinct semiprime: 104965501 = 173 ⋅606737.
It is a cyclic number.
It is not a de Polignac number, because 105569401 - 23 = 105569393 is a prime.
It is a super-2 number, since 2×1055694012 = 22289796854997602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105569411) 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, 7540665 + ... + 7540678.
It is an arithmetic number, because the mean of its divisors is an integer number (30162688).
Almost surely, 2105569401 is an apocalyptic number.
It is an amenable number.
105569401 is a deficient number, since it is larger than the sum of its proper divisors (15081351).
105569401 is an equidigital number, since it uses as much as digits as its factorization.
105569401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15081350.
The product of its (nonzero) digits is 5400, while the sum is 31.
The square root of 105569401 is about 10274.6971244899. The cubic root of 105569401 is about 472.6206420011.
The spelling of 105569401 in words is "one hundred five million, five hundred sixty-nine thousand, four hundred one".
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