Base | Representation |
---|---|
bin | 1100110110001… |
… | …10111110010001 |
3 | 21111210021022001 |
4 | 12123012332101 |
5 | 210042112440 |
6 | 14405514001 |
7 | 2446012336 |
oct | 633067621 |
9 | 244707261 |
10 | 107769745 |
11 | 55919006 |
12 | 30112901 |
13 | 194341a5 |
14 | 1045498d |
15 | 96dbb9a |
hex | 66c6f91 |
107769745 has 4 divisors (see below), whose sum is σ = 129323700. Its totient is φ = 86215792.
The previous prime is 107769721. The next prime is 107769751. The reversal of 107769745 is 547967701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547967701 = 743 ⋅737507.
It can be written as a sum of positive squares in 2 ways, for example, as 41770369 + 65999376 = 6463^2 + 8124^2 .
It is a cyclic number.
It is not a de Polignac number, because 107769745 - 217 = 107638673 is a prime.
It is a super-2 number, since 2×1077697452 = 23228635874730050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 107769695 and 107769704.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10776970 + ... + 10776979.
It is an arithmetic number, because the mean of its divisors is an integer number (32330925).
Almost surely, 2107769745 is an apocalyptic number.
It is an amenable number.
107769745 is a deficient number, since it is larger than the sum of its proper divisors (21553955).
107769745 is an equidigital number, since it uses as much as digits as its factorization.
107769745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21553954.
The product of its (nonzero) digits is 370440, while the sum is 46.
The square root of 107769745 is about 10381.2207856302. The cubic root of 107769745 is about 475.8816423591.
The spelling of 107769745 in words is "one hundred seven million, seven hundred sixty-nine thousand, seven hundred forty-five".
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