Base | Representation |
---|---|
bin | 1000010101101… |
… | …00101000110100 |
3 | 11212121121202012 |
4 | 10022310220310 |
5 | 120401232113 |
6 | 10535103352 |
7 | 1506346634 |
oct | 412645064 |
9 | 155547665 |
10 | 69945908 |
11 | 3653443a |
12 | 1b511b58 |
13 | 11650016 |
14 | 940a6c4 |
15 | 6219aa8 |
hex | 42b4a34 |
69945908 has 12 divisors (see below), whose sum is σ = 123157440. Its totient is φ = 34758072.
The previous prime is 69945893. The next prime is 69945929. The reversal of 69945908 is 80954996.
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 3 ways as a sum of consecutive naturals, for example, 52988 + ... + 54291.
It is an arithmetic number, because the mean of its divisors is an integer number (10263120).
Almost surely, 269945908 is an apocalyptic number.
It is an amenable number.
69945908 is a deficient number, since it is larger than the sum of its proper divisors (53211532).
69945908 is a wasteful number, since it uses less digits than its factorization.
69945908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107446 (or 107444 counting only the distinct ones).
The product of its (nonzero) digits is 699840, while the sum is 50.
The square root of 69945908 is about 8363.3670253075. The cubic root of 69945908 is about 412.0223461660.
The spelling of 69945908 in words is "sixty-nine million, nine hundred forty-five thousand, nine hundred eight".
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