Base | Representation |
---|---|
bin | 1000010000001… |
… | …10000001011000 |
3 | 11211021021122021 |
4 | 10020012001120 |
5 | 120210340210 |
6 | 10511504224 |
7 | 1500310501 |
oct | 410060130 |
9 | 154237567 |
10 | 69230680 |
11 | 36096042 |
12 | 1b228074 |
13 | 1145c5cc |
14 | 92a1ba8 |
15 | 6127bda |
hex | 4206058 |
69230680 has 64 divisors (see below), whose sum is σ = 166406400. Its totient is φ = 25845120.
The previous prime is 69230677. The next prime is 69230717. The reversal of 69230680 is 8603296.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53319 + ... + 54601.
It is an arithmetic number, because the mean of its divisors is an integer number (2600100).
Almost surely, 269230680 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 69230680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83203200).
69230680 is an abundant number, since it is smaller than the sum of its proper divisors (97175720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69230680 is a wasteful number, since it uses less digits than its factorization.
69230680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1384 (or 1380 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 69230680 is about 8320.4975812748. The cubic root of 69230680 is about 410.6131614715.
The spelling of 69230680 in words is "sixty-nine million, two hundred thirty thousand, six hundred eighty".
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