Base | Representation |
---|---|
bin | 1000010000001… |
… | …00011111011001 |
3 | 11211020222001000 |
4 | 10020010133121 |
5 | 120210140114 |
6 | 10511415213 |
7 | 1500253302 |
oct | 410043731 |
9 | 154228030 |
10 | 69224409 |
11 | 36091361 |
12 | 1b224509 |
13 | 114597b7 |
14 | 929d7a9 |
15 | 6125e09 |
hex | 42047d9 |
69224409 has 8 divisors (see below), whose sum is σ = 102554720. Its totient is φ = 46149588.
The previous prime is 69224401. The next prime is 69224423. The reversal of 69224409 is 90442296.
It is not a de Polignac number, because 69224409 - 23 = 69224401 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (69224401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281907 + ... + 1281960.
It is an arithmetic number, because the mean of its divisors is an integer number (12819340).
Almost surely, 269224409 is an apocalyptic number.
It is an amenable number.
69224409 is a deficient number, since it is larger than the sum of its proper divisors (33330311).
69224409 is a wasteful number, since it uses less digits than its factorization.
69224409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2563876 (or 2563870 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 69224409 is about 8320.1207322971. The cubic root of 69224409 is about 410.6007631490.
The spelling of 69224409 in words is "sixty-nine million, two hundred twenty-four thousand, four hundred nine".
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