Base | Representation |
---|---|
bin | 1000010001011… |
… | …00111011011011 |
3 | 11211120101020121 |
4 | 10020230323123 |
5 | 120230440133 |
6 | 10515134111 |
7 | 1501543222 |
oct | 410547333 |
9 | 154511217 |
10 | 69390043 |
11 | 36194848 |
12 | 1b2a4337 |
13 | 114b6cc8 |
14 | 9303cb9 |
15 | 615a02d |
hex | 422cedb |
69390043 has 2 divisors, whose sum is σ = 69390044. Its totient is φ = 69390042.
The previous prime is 69390037. The next prime is 69390053. The reversal of 69390043 is 34009396.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 69390043 - 221 = 67292891 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69389990 and 69390008.
It is not a weakly prime, because it can be changed into another prime (69390053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34695021 + 34695022.
It is an arithmetic number, because the mean of its divisors is an integer number (34695022).
Almost surely, 269390043 is an apocalyptic number.
69390043 is a deficient number, since it is larger than the sum of its proper divisors (1).
69390043 is an equidigital number, since it uses as much as digits as its factorization.
69390043 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17496, while the sum is 34.
The square root of 69390043 is about 8330.0686071604. The cubic root of 69390043 is about 410.9279852828.
The spelling of 69390043 in words is "sixty-nine million, three hundred ninety thousand, forty-three".
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