Base | Representation |
---|---|
bin | 1110011010111… |
… | …01100011100111 |
3 | 22102121212212220 |
4 | 13031131203213 |
5 | 221432010242 |
6 | 20000443423 |
7 | 2666136414 |
oct | 715354347 |
9 | 272555786 |
10 | 120969447 |
11 | 62314155 |
12 | 34619573 |
13 | 1c0a6271 |
14 | 120cd10b |
15 | a947bec |
hex | 735d8e7 |
120969447 has 16 divisors (see below), whose sum is σ = 170016000. Its totient is φ = 76296384.
The previous prime is 120969437. The next prime is 120969451. The reversal of 120969447 is 744969021.
It is not a de Polignac number, because 120969447 - 26 = 120969383 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120969399 and 120969408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120969437) 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 15 ways as a sum of consecutive naturals, for example, 74379 + ... + 75987.
It is an arithmetic number, because the mean of its divisors is an integer number (10626000).
Almost surely, 2120969447 is an apocalyptic number.
120969447 is a deficient number, since it is larger than the sum of its proper divisors (49046553).
120969447 is a wasteful number, since it uses less digits than its factorization.
120969447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2950.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 120969447 is about 10998.6111395939. The cubic root of 120969447 is about 494.5671105698.
The spelling of 120969447 in words is "one hundred twenty million, nine hundred sixty-nine thousand, four hundred forty-seven".
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