Base | Representation |
---|---|
bin | 1000010011101… |
… | …11011110100101 |
3 | 11212010220010000 |
4 | 10021313132211 |
5 | 120320223042 |
6 | 10525451513 |
7 | 1504254402 |
oct | 411673645 |
9 | 155126100 |
10 | 69695397 |
11 | 36383202 |
12 | 1b410b99 |
13 | 11592ca5 |
14 | 93832a9 |
15 | 61ba74c |
hex | 42777a5 |
69695397 has 20 divisors (see below), whose sum is σ = 104483500. Its totient is φ = 46298304.
The previous prime is 69695387. The next prime is 69695399. The reversal of 69695397 is 79359696.
It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 66487716 = 1791^2 + 8154^2 .
It is not a de Polignac number, because 69695397 - 26 = 69695333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69695399) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23979 + ... + 26727.
It is an arithmetic number, because the mean of its divisors is an integer number (5224175).
Almost surely, 269695397 is an apocalyptic number.
It is an amenable number.
69695397 is a deficient number, since it is larger than the sum of its proper divisors (34788103).
69695397 is a wasteful number, since it uses less digits than its factorization.
69695397 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3074 (or 3065 counting only the distinct ones).
The product of its digits is 2755620, while the sum is 54.
The square root of 69695397 is about 8348.3769081181. The cubic root of 69695397 is about 411.5298722843.
The spelling of 69695397 in words is "sixty-nine million, six hundred ninety-five thousand, three hundred ninety-seven".
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