Base | Representation |
---|---|
bin | 1000010001100… |
… | …10111000011100 |
3 | 11211121121200202 |
4 | 10020302320130 |
5 | 120232230203 |
6 | 10515443032 |
7 | 1502004266 |
oct | 410627034 |
9 | 154547622 |
10 | 69414428 |
11 | 362010a6 |
12 | 1b2b6478 |
13 | 114c5135 |
14 | 930cb36 |
15 | 6162388 |
hex | 4232e1c |
69414428 has 24 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 34039040.
The previous prime is 69414421. The next prime is 69414439. The reversal of 69414428 is 82441496.
It is a junction number, because it is equal to n+sod(n) for n = 69414391 and 69414400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69414421) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 65648 + ... + 66696.
It is an arithmetic number, because the mean of its divisors is an integer number (5159700).
Almost surely, 269414428 is an apocalyptic number.
It is an amenable number.
69414428 is a deficient number, since it is larger than the sum of its proper divisors (54418372).
69414428 is a wasteful number, since it uses less digits than its factorization.
69414428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).
The product of its digits is 55296, while the sum is 38.
The square root of 69414428 is about 8331.5321520114. The cubic root of 69414428 is about 410.9761156529.
The spelling of 69414428 in words is "sixty-nine million, four hundred fourteen thousand, four hundred twenty-eight".
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