Base | Representation |
---|---|
bin | 1000001110101… |
… | …11011111111001 |
3 | 11210220121020112 |
4 | 10013113133321 |
5 | 120133240441 |
6 | 10503434105 |
7 | 1465555103 |
oct | 407273771 |
9 | 153817215 |
10 | 69040121 |
11 | 35a75957 |
12 | 1b155935 |
13 | 113c3957 |
14 | 9252573 |
15 | 60db4eb |
hex | 41d77f9 |
69040121 has 8 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 68091408.
The previous prime is 69040099. The next prime is 69040123. The reversal of 69040121 is 12104096.
It is a happy number.
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 69040121 - 218 = 68777977 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69040123) 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 7 ways as a sum of consecutive naturals, for example, 21215 + ... + 24251.
It is an arithmetic number, because the mean of its divisors is an integer number (8749440).
Almost surely, 269040121 is an apocalyptic number.
It is an amenable number.
69040121 is a deficient number, since it is larger than the sum of its proper divisors (955399).
69040121 is a wasteful number, since it uses less digits than its factorization.
69040121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3343.
The product of its (nonzero) digits is 432, while the sum is 23.
The square root of 69040121 is about 8309.0385123671. The cubic root of 69040121 is about 410.2360746330.
The spelling of 69040121 in words is "sixty-nine million, forty thousand, one hundred twenty-one".
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