Base | Representation |
---|---|
bin | 1000010100011… |
… | …11110000100001 |
3 | 11212022221112102 |
4 | 10022033300201 |
5 | 120331413344 |
6 | 10531540145 |
7 | 1505150345 |
oct | 412176041 |
9 | 155287472 |
10 | 69794849 |
11 | 364409a3 |
12 | 1b45a655 |
13 | 115c9337 |
14 | 93ab625 |
15 | 61d9e4e |
hex | 428fc21 |
69794849 has 4 divisors (see below), whose sum is σ = 70099860. Its totient is φ = 69489840.
The previous prime is 69794827. The next prime is 69794863. The reversal of 69794849 is 94849796.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 62331025 + 7463824 = 7895^2 + 2732^2 .
It is a cyclic number.
It is not a de Polignac number, because 69794849 - 212 = 69790753 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 69794794 and 69794803.
It is not an unprimeable number, because it can be changed into a prime (69794869) 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 3 ways as a sum of consecutive naturals, for example, 152162 + ... + 152619.
It is an arithmetic number, because the mean of its divisors is an integer number (17524965).
Almost surely, 269794849 is an apocalyptic number.
It is an amenable number.
69794849 is a deficient number, since it is larger than the sum of its proper divisors (305011).
69794849 is a wasteful number, since it uses less digits than its factorization.
69794849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305010.
The product of its digits is 3919104, while the sum is 56.
The square root of 69794849 is about 8354.3311521629. The cubic root of 69794849 is about 411.7255237375.
The spelling of 69794849 in words is "sixty-nine million, seven hundred ninety-four thousand, eight hundred forty-nine".
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