Base | Representation |
---|---|
bin | 1000010101110… |
… | …11000001110100 |
3 | 11212122221122200 |
4 | 10022323001310 |
5 | 120403101314 |
6 | 10535424500 |
7 | 1506516150 |
oct | 412730164 |
9 | 155587580 |
10 | 69972084 |
11 | 36552076 |
12 | 1b525130 |
13 | 1165bc00 |
14 | 9416060 |
15 | 6222709 |
hex | 42bb074 |
69972084 has 216 divisors, whose sum is σ = 230211072. Its totient is φ = 17521920.
The previous prime is 69972083. The next prime is 69972103. The reversal of 69972084 is 48027996.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69972083) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1320202 + ... + 1320254.
It is an arithmetic number, because the mean of its divisors is an integer number (1065792).
Almost surely, 269972084 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69972084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115105536).
69972084 is an abundant number, since it is smaller than the sum of its proper divisors (160238988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69972084 is a wasteful number, since it uses less digits than its factorization.
69972084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127 (or 109 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 69972084 is about 8364.9317988852. The cubic root of 69972084 is about 412.0737370772.
The spelling of 69972084 in words is "sixty-nine million, nine hundred seventy-two thousand, eighty-four".
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