Base | Representation |
---|---|
bin | 1000010101111… |
… | …00000000101101 |
3 | 11212200011011202 |
4 | 10022330000231 |
5 | 120403213414 |
6 | 10535455245 |
7 | 1506533660 |
oct | 412740055 |
9 | 155604152 |
10 | 69976109 |
11 | 365550a5 |
12 | 1b527525 |
13 | 116609a8 |
14 | 94176d7 |
15 | 62239de |
hex | 42bc02d |
69976109 has 8 divisors (see below), whose sum is σ = 81099648. Its totient is φ = 59134320.
The previous prime is 69976099. The next prime is 69976117. The reversal of 69976109 is 90167996.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 69976109 - 220 = 68927533 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69976129) 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, 69902 + ... + 70895.
It is an arithmetic number, because the mean of its divisors is an integer number (10137456).
Almost surely, 269976109 is an apocalyptic number.
It is an amenable number.
69976109 is a deficient number, since it is larger than the sum of its proper divisors (11123539).
69976109 is a wasteful number, since it uses less digits than its factorization.
69976109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140875.
The product of its (nonzero) digits is 183708, while the sum is 47.
The square root of 69976109 is about 8365.1723831610. The cubic root of 69976109 is about 412.0816381566.
The spelling of 69976109 in words is "sixty-nine million, nine hundred seventy-six thousand, one hundred nine".
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