Base | Representation |
---|---|
bin | 1000010100011… |
… | …01011101011010 |
3 | 11212022110121201 |
4 | 10022031131122 |
5 | 120331113214 |
6 | 10531424414 |
7 | 1505111035 |
oct | 412153532 |
9 | 155273551 |
10 | 69785434 |
11 | 36434914 |
12 | 1b45510a |
13 | 115c4c74 |
14 | 93a801c |
15 | 61d7274 |
hex | 428d75a |
69785434 has 8 divisors (see below), whose sum is σ = 105854580. Its totient is φ = 34500576.
The previous prime is 69785411. The next prime is 69785437. The reversal of 69785434 is 43458796.
It can be written as a sum of positive squares in 2 ways, for example, as 63154809 + 6630625 = 7947^2 + 2575^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (69785437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195849 + ... + 196204.
Almost surely, 269785434 is an apocalyptic number.
69785434 is a deficient number, since it is larger than the sum of its proper divisors (36069146).
69785434 is a wasteful number, since it uses less digits than its factorization.
69785434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392144.
The product of its digits is 725760, while the sum is 46.
The square root of 69785434 is about 8353.7676529815. The cubic root of 69785434 is about 411.7070096199.
The spelling of 69785434 in words is "sixty-nine million, seven hundred eighty-five thousand, four hundred thirty-four".
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