Base | Representation |
---|---|
bin | 1000010000010… |
… | …00000100000001 |
3 | 11211021201002221 |
4 | 10020020010001 |
5 | 120211122131 |
6 | 10512011041 |
7 | 1500344044 |
oct | 410100401 |
9 | 154251087 |
10 | 69239041 |
11 | 360a1353 |
12 | 1b230a81 |
13 | 11463361 |
14 | 92a4c5b |
15 | 612a411 |
hex | 4208101 |
69239041 has 9 divisors (see below), whose sum is σ = 71022441. Its totient is φ = 67499952.
The previous prime is 69239033. The next prime is 69239077. The reversal of 69239041 is 14093296.
The square root of 69239041 is 8321.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 16641 + 69222400 = 129^2 + 8320^2 .
It is not a de Polignac number, because 69239041 - 23 = 69239033 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69238988 and 69239006.
It is not an unprimeable number, because it can be changed into a prime (69239441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 440935 + ... + 441091.
Almost surely, 269239041 is an apocalyptic number.
69239041 is the 8321-st square number.
69239041 is the 4161-st centered octagonal number.
It is an amenable number.
69239041 is a deficient number, since it is larger than the sum of its proper divisors (1783400).
69239041 is an frugal number, since it uses more digits than its factorization.
69239041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 420 (or 210 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 34.
The cubic root of 69239041 is about 410.6296907446.
Multiplying 69239041 by its product of nonzero digits (11664), we get a square (807604174224 = 8986682).
The spelling of 69239041 in words is "sixty-nine million, two hundred thirty-nine thousand, forty-one".
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