Base | Representation |
---|---|
bin | 1101000011111… |
… | …11100100011111 |
3 | 21122011221212021 |
4 | 12201333210133 |
5 | 211022340211 |
6 | 14512321011 |
7 | 2500236661 |
oct | 641774437 |
9 | 248157767 |
10 | 109574431 |
11 | 5694098a |
12 | 30843167 |
13 | 19916755 |
14 | 107a4531 |
15 | 9946771 |
hex | 687f91f |
109574431 has 4 divisors (see below), whose sum is σ = 109604664. Its totient is φ = 109544200.
The previous prime is 109574417. The next prime is 109574447. The reversal of 109574431 is 134475901.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 109574431 - 27 = 109574303 is a prime.
It is a super-2 number, since 2×1095744312 = 24013111857947522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109572431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8800 + ... + 17221.
It is an arithmetic number, because the mean of its divisors is an integer number (27401166).
Almost surely, 2109574431 is an apocalyptic number.
109574431 is a deficient number, since it is larger than the sum of its proper divisors (30233).
109574431 is an equidigital number, since it uses as much as digits as its factorization.
109574431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30232.
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 109574431 is about 10467.7806148199. The cubic root of 109574431 is about 478.5232841829.
The spelling of 109574431 in words is "one hundred nine million, five hundred seventy-four thousand, four hundred thirty-one".
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