Base | Representation |
---|---|
bin | 1101000001011… |
… | …10001111000111 |
3 | 21121120000212121 |
4 | 12200232033013 |
5 | 210431210122 |
6 | 14501230411 |
7 | 2464351501 |
oct | 640561707 |
9 | 247500777 |
10 | 109241287 |
11 | 56733661 |
12 | 30702407 |
13 | 1982ac1c |
14 | 10718d71 |
15 | 98ccbc7 |
hex | 682e3c7 |
109241287 has 8 divisors (see below), whose sum is σ = 110250000. Its totient is φ = 108236544.
The previous prime is 109241267. The next prime is 109241291. The reversal of 109241287 is 782142901.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 109241287 - 27 = 109241159 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109241267) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86839 + ... + 88087.
It is an arithmetic number, because the mean of its divisors is an integer number (13781250).
Almost surely, 2109241287 is an apocalyptic number.
109241287 is a deficient number, since it is larger than the sum of its proper divisors (1008713).
109241287 is a wasteful number, since it uses less digits than its factorization.
109241287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1985.
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 109241287 is about 10451.8556725588. The cubic root of 109241287 is about 478.0378333528.
The spelling of 109241287 in words is "one hundred nine million, two hundred forty-one thousand, two hundred eighty-seven".
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