Base | Representation |
---|---|
bin | 1000010101001… |
… | …11110001001101 |
3 | 11212111221102221 |
4 | 10022213301031 |
5 | 120343040242 |
6 | 10534015341 |
7 | 1506040153 |
oct | 412476115 |
9 | 155457387 |
10 | 69893197 |
11 | 364a8880 |
12 | 1b4a7551 |
13 | 1163202a |
14 | 93d53d3 |
15 | 6209167 |
hex | 42a7c4d |
69893197 has 8 divisors (see below), whose sum is σ = 76399200. Its totient is φ = 63412560.
The previous prime is 69893107. The next prime is 69893237. The reversal of 69893197 is 79139896.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69893197 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 (69893107) 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 7 ways as a sum of consecutive naturals, for example, 322 + ... + 11827.
It is an arithmetic number, because the mean of its divisors is an integer number (9549900).
Almost surely, 269893197 is an apocalyptic number.
It is an amenable number.
69893197 is a deficient number, since it is larger than the sum of its proper divisors (6506003).
69893197 is a wasteful number, since it uses less digits than its factorization.
69893197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12683.
The product of its digits is 734832, while the sum is 52.
The square root of 69893197 is about 8360.2151288110. The cubic root of 69893197 is about 411.9188206067.
The spelling of 69893197 in words is "sixty-nine million, eight hundred ninety-three thousand, one hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •