Base | Representation |
---|---|
bin | 1000010001000… |
… | …10001000100001 |
3 | 11211111010120220 |
4 | 10020202020201 |
5 | 120223031300 |
6 | 10514153253 |
7 | 1501300263 |
oct | 410421041 |
9 | 154433526 |
10 | 69345825 |
11 | 361645aa |
12 | 1b282829 |
13 | 1149cb43 |
14 | 92d1b33 |
15 | 614bda0 |
hex | 4222221 |
69345825 has 24 divisors (see below), whose sum is σ = 114956928. Its totient is φ = 36886080.
The previous prime is 69345823. The next prime is 69345833. The reversal of 69345825 is 52854396.
69345825 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 69345825 - 21 = 69345823 is a prime.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (69345823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33727 + ... + 35723.
It is an arithmetic number, because the mean of its divisors is an integer number (4789872).
Almost surely, 269345825 is an apocalyptic number.
It is an amenable number.
69345825 is a deficient number, since it is larger than the sum of its proper divisors (45611103).
69345825 is a wasteful number, since it uses less digits than its factorization.
69345825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2473 (or 2468 counting only the distinct ones).
The product of its digits is 259200, while the sum is 42.
The square root of 69345825 is about 8327.4140644020. The cubic root of 69345825 is about 410.8406803715.
The spelling of 69345825 in words is "sixty-nine million, three hundred forty-five thousand, eight hundred twenty-five".
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