Base | Representation |
---|---|
bin | 1000010000101… |
… | …10011111011001 |
3 | 11211101201011200 |
4 | 10020112133121 |
5 | 120220020022 |
6 | 10513144413 |
7 | 1501011246 |
oct | 410263731 |
9 | 154351150 |
10 | 69298137 |
11 | 36131797 |
12 | 1b25b109 |
13 | 1148421c |
14 | 92bc5cd |
15 | 613cbac |
hex | 42167d9 |
69298137 has 18 divisors (see below), whose sum is σ = 106143102. Its totient is φ = 43416576.
The previous prime is 69298127. The next prime is 69298199. The reversal of 69298137 is 73189296.
It can be written as a sum of positive squares in 3 ways, for example, as 8785296 + 60512841 = 2964^2 + 7779^2 .
It is not a de Polignac number, because 69298137 - 212 = 69294041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69298092 and 69298101.
It is not an unprimeable number, because it can be changed into a prime (69298127) 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 17 ways as a sum of consecutive naturals, for example, 102633 + ... + 103305.
It is an arithmetic number, because the mean of its divisors is an integer number (5896839).
Almost surely, 269298137 is an apocalyptic number.
It is an amenable number.
69298137 is a deficient number, since it is larger than the sum of its proper divisors (36844965).
69298137 is an equidigital number, since it uses as much as digits as its factorization.
69298137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1369 (or 693 counting only the distinct ones).
The product of its digits is 163296, while the sum is 45.
The square root of 69298137 is about 8324.5502581221. The cubic root of 69298137 is about 410.7464826163.
The spelling of 69298137 in words is "sixty-nine million, two hundred ninety-eight thousand, one hundred thirty-seven".
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