Base | Representation |
---|---|
bin | 1000010000110… |
… | …00111011011101 |
3 | 11211102012212121 |
4 | 10020120323131 |
5 | 120220330000 |
6 | 10513302541 |
7 | 1501052335 |
oct | 410307335 |
9 | 154365777 |
10 | 69308125 |
11 | 36139247 |
12 | 1b264a51 |
13 | 11488933 |
14 | 92c20c5 |
15 | 6140b1a |
hex | 4218edd |
69308125 has 20 divisors (see below), whose sum is σ = 87243948. Its totient is φ = 55040000.
The previous prime is 69308101. The next prime is 69308137. The reversal of 69308125 is 52180396.
It can be written as a sum of positive squares in 10 ways, for example, as 21780889 + 47527236 = 4667^2 + 6894^2 .
It is a sliding number, since 69308125 = 20480000 + 48828125 and 1/20480000 + 1/48828125 = 0.000000069308125.
It is not a de Polignac number, because 69308125 - 25 = 69308093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 107805 + ... + 108445.
Almost surely, 269308125 is an apocalyptic number.
It is an amenable number.
69308125 is a deficient number, since it is larger than the sum of its proper divisors (17935823).
69308125 is an equidigital number, since it uses as much as digits as its factorization.
69308125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834 (or 819 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 69308125 is about 8325.1501487961. The cubic root of 69308125 is about 410.7662154160.
The spelling of 69308125 in words is "sixty-nine million, three hundred eight thousand, one hundred twenty-five".
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