Base | Representation |
---|---|
bin | 1000010011011… |
… | …00001011001001 |
3 | 11212001112121012 |
4 | 10021230023021 |
5 | 120312232342 |
6 | 10524453305 |
7 | 1504002410 |
oct | 411541311 |
9 | 155045535 |
10 | 69649097 |
11 | 36351441 |
12 | 1b3aa235 |
13 | 11577bab |
14 | 9370477 |
15 | 61abb82 |
hex | 426c2c9 |
69649097 has 12 divisors (see below), whose sum is σ = 82445376. Its totient is φ = 57635760.
The previous prime is 69649067. The next prime is 69649103. The reversal of 69649097 is 79094696.
It is not a de Polignac number, because 69649097 - 212 = 69645001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69649057) 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 11 ways as a sum of consecutive naturals, for example, 29 + ... + 11802.
It is an arithmetic number, because the mean of its divisors is an integer number (6870448).
Almost surely, 269649097 is an apocalyptic number.
It is an amenable number.
69649097 is a deficient number, since it is larger than the sum of its proper divisors (12796279).
69649097 is a wasteful number, since it uses less digits than its factorization.
69649097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11896 (or 11867 counting only the distinct ones).
The product of its (nonzero) digits is 734832, while the sum is 50.
The square root of 69649097 is about 8345.6034533160. The cubic root of 69649097 is about 411.4387230132.
It can be divided in two parts, 6964 and 9097, that added together give a palindrome (16061).
The spelling of 69649097 in words is "sixty-nine million, six hundred forty-nine thousand, ninety-seven".
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