Base | Representation |
---|---|
bin | 1001101001001… |
… | …00000110000000 |
3 | 12122012112201222 |
4 | 10310210012000 |
5 | 131201410232 |
6 | 12005414212 |
7 | 2001352430 |
oct | 464440600 |
9 | 178175658 |
10 | 80888192 |
11 | 41728550 |
12 | 2310a368 |
13 | 139b1748 |
14 | aa582c0 |
15 | 717bd12 |
hex | 4d24180 |
80888192 has 128 divisors (see below), whose sum is σ = 208569600. Its totient is φ = 30320640.
The previous prime is 80888189. The next prime is 80888237. The reversal of 80888192 is 29188808.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (44).
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, 285683 + ... + 285965.
It is an arithmetic number, because the mean of its divisors is an integer number (1629450).
Almost surely, 280888192 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 80888192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104284800).
80888192 is an abundant number, since it is smaller than the sum of its proper divisors (127681408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80888192 is a wasteful number, since it uses less digits than its factorization.
80888192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344 (or 332 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 44.
The square root of 80888192 is about 8993.7862994403. The cubic root of 80888192 is about 432.4756991258.
The spelling of 80888192 in words is "eighty million, eight hundred eighty-eight thousand, one hundred ninety-two".
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