Base | Representation |
---|---|
bin | 1000010010001… |
… | …00011011110000 |
3 | 11211202021022102 |
4 | 10021010123300 |
5 | 120242030240 |
6 | 10521155532 |
7 | 1502424011 |
oct | 411043360 |
9 | 154667272 |
10 | 69486320 |
11 | 36250112 |
12 | 1b32bba8 |
13 | 1151ba87 |
14 | 932b008 |
15 | 6178815 |
hex | 42446f0 |
69486320 has 80 divisors (see below), whose sum is σ = 170212320. Its totient is φ = 26342400.
The previous prime is 69486311. The next prime is 69486337. The reversal of 69486320 is 2368496.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141275 + ... + 141765.
It is an arithmetic number, because the mean of its divisors is an integer number (2127654).
Almost surely, 269486320 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 69486320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85106160).
69486320 is an abundant number, since it is smaller than the sum of its proper divisors (100726000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69486320 is a wasteful number, since it uses less digits than its factorization.
69486320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 594 (or 588 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 38.
The square root of 69486320 is about 8335.8454880114. The cubic root of 69486320 is about 411.1179483212.
The spelling of 69486320 in words is "sixty-nine million, four hundred eighty-six thousand, three hundred twenty".
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