Base | Representation |
---|---|
bin | 1000010101100… |
… | …00111011001001 |
3 | 11212120211212211 |
4 | 10022300323021 |
5 | 120400240242 |
6 | 10534505121 |
7 | 1506254404 |
oct | 412607311 |
9 | 155524784 |
10 | 69930697 |
11 | 36523a71 |
12 | 1b5051a1 |
13 | 11646115 |
14 | 9404d3b |
15 | 6215317 |
hex | 42b0ec9 |
69930697 has 4 divisors (see below), whose sum is σ = 73611280. Its totient is φ = 66250116.
The previous prime is 69930677. The next prime is 69930713. The reversal of 69930697 is 79603996.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69930697 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69930697.
It is not an unprimeable number, because it can be changed into a prime (69930677) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840263 + ... + 1840300.
It is an arithmetic number, because the mean of its divisors is an integer number (18402820).
Almost surely, 269930697 is an apocalyptic number.
It is an amenable number.
69930697 is a deficient number, since it is larger than the sum of its proper divisors (3680583).
69930697 is a wasteful number, since it uses less digits than its factorization.
69930697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3680582.
The product of its (nonzero) digits is 551124, while the sum is 49.
The square root of 69930697 is about 8362.4575933155. The cubic root of 69930697 is about 411.9924767690.
The spelling of 69930697 in words is "sixty-nine million, nine hundred thirty thousand, six hundred ninety-seven".
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