Base | Representation |
---|---|
bin | 1000010101111… |
… | …01001011010011 |
3 | 11212200101201120 |
4 | 10022331023103 |
5 | 120403342013 |
6 | 10535533323 |
7 | 1506553620 |
oct | 412751323 |
9 | 155611646 |
10 | 69980883 |
11 | 36558745 |
12 | 1b52a243 |
13 | 11662c0b |
14 | 9419347 |
15 | 6225123 |
hex | 42bd2d3 |
69980883 has 16 divisors (see below), whose sum is σ = 106863360. Its totient is φ = 39904416.
The previous prime is 69980837. The next prime is 69980917. The reversal of 69980883 is 38808996.
It is not a de Polignac number, because 69980883 - 217 = 69849811 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69988883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7416 + ... + 13962.
It is an arithmetic number, because the mean of its divisors is an integer number (6678960).
Almost surely, 269980883 is an apocalyptic number.
69980883 is a deficient number, since it is larger than the sum of its proper divisors (36882477).
69980883 is a wasteful number, since it uses less digits than its factorization.
69980883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7066.
The product of its (nonzero) digits is 746496, while the sum is 51.
The square root of 69980883 is about 8365.4577280625. The cubic root of 69980883 is about 412.0910091312.
The spelling of 69980883 in words is "sixty-nine million, nine hundred eighty thousand, eight hundred eighty-three".
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