Base | Representation |
---|---|
bin | 1100110110010… |
… | …10110010010001 |
3 | 21111211001201102 |
4 | 12123022302101 |
5 | 210043112421 |
6 | 14410114145 |
7 | 2446106015 |
oct | 633126221 |
9 | 244731642 |
10 | 107785361 |
11 | 55929812 |
12 | 3011b955 |
13 | 1943b328 |
14 | 1045a545 |
15 | 96e160b |
hex | 66cac91 |
107785361 has 4 divisors (see below), whose sum is σ = 108166512. Its totient is φ = 107404212.
The previous prime is 107785343. The next prime is 107785399. The reversal of 107785361 is 163587701.
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: 163587701 = 19 ⋅8609879.
It is a cyclic number.
It is not a de Polignac number, because 107785361 - 26 = 107785297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (107785261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190151 + ... + 190716.
It is an arithmetic number, because the mean of its divisors is an integer number (27041628).
Almost surely, 2107785361 is an apocalyptic number.
It is an amenable number.
107785361 is a deficient number, since it is larger than the sum of its proper divisors (381151).
107785361 is an equidigital number, since it uses as much as digits as its factorization.
107785361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381150.
The product of its (nonzero) digits is 35280, while the sum is 38.
The square root of 107785361 is about 10381.9728857284. The cubic root of 107785361 is about 475.9046265736.
The spelling of 107785361 in words is "one hundred seven million, seven hundred eighty-five thousand, three hundred sixty-one".
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