Base | Representation |
---|---|
bin | 1000010001110… |
… | …00110110011011 |
3 | 11211122212020012 |
4 | 10020320312123 |
5 | 120234021000 |
6 | 10520152135 |
7 | 1502135462 |
oct | 410706633 |
9 | 154585205 |
10 | 69438875 |
11 | 36218500 |
12 | 1b30864b |
13 | 115032bc |
14 | 93179d9 |
15 | 6169735 |
hex | 4238d9b |
69438875 has 24 divisors (see below), whose sum is σ = 95274816. Its totient is φ = 50490000.
The previous prime is 69438869. The next prime is 69438883. The reversal of 69438875 is 57883496.
It is not a de Polignac number, because 69438875 - 224 = 52661659 is a prime.
It is a super-2 number, since 2×694388752 = 9643514722531250, which contains 22 as substring.
It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 12830 + ... + 17420.
It is an arithmetic number, because the mean of its divisors is an integer number (3969784).
Almost surely, 269438875 is an apocalyptic number.
69438875 is a deficient number, since it is larger than the sum of its proper divisors (25835941).
69438875 is a wasteful number, since it uses less digits than its factorization.
69438875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4628 (or 4607 counting only the distinct ones).
The product of its digits is 1451520, while the sum is 50.
The square root of 69438875 is about 8332.9991599664. Note that the first 3 decimals coincide. The cubic root of 69438875 is about 411.0243570831.
The spelling of 69438875 in words is "sixty-nine million, four hundred thirty-eight thousand, eight hundred seventy-five".
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