Base | Representation |
---|---|
bin | 1000010001000… |
… | …00110101101101 |
3 | 11211110212022121 |
4 | 10020200311231 |
5 | 120222344100 |
6 | 10514112541 |
7 | 1501245652 |
oct | 410406555 |
9 | 154425277 |
10 | 69340525 |
11 | 36160621 |
12 | 1b27b751 |
13 | 1149a5c7 |
14 | 92cdc29 |
15 | 614a51a |
hex | 4220d6d |
69340525 has 6 divisors (see below), whose sum is σ = 85982282. Its totient is φ = 55472400.
The previous prime is 69340487. The next prime is 69340543. The reversal of 69340525 is 52504396.
69340525 is nontrivially palindromic in base 14.
It can be written as a sum of positive squares in 3 ways, for example, as 17816841 + 51523684 = 4221^2 + 7178^2 .
It is not a de Polignac number, because 69340525 - 29 = 69340013 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 (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1386786 + ... + 1386835.
Almost surely, 269340525 is an apocalyptic number.
It is an amenable number.
69340525 is a deficient number, since it is larger than the sum of its proper divisors (16641757).
69340525 is a wasteful number, since it uses less digits than its factorization.
69340525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2773631 (or 2773626 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 34.
The square root of 69340525 is about 8327.0958322815. The cubic root of 69340525 is about 410.8302134541.
The spelling of 69340525 in words is "sixty-nine million, three hundred forty thousand, five hundred twenty-five".
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