Base | Representation |
---|---|
bin | 1001100011010… |
… | …00110000000000 |
3 | 12120202120010020 |
4 | 10301220300000 |
5 | 131002331312 |
6 | 11541133440 |
7 | 1662005301 |
oct | 461506000 |
9 | 176676106 |
10 | 80120832 |
11 | 41253a70 |
12 | 229ba280 |
13 | 137a339c |
14 | a8d87a8 |
15 | 707978c |
hex | 4c68c00 |
80120832 has 88 divisors (see below), whose sum is σ = 233063232. Its totient is φ = 24268800.
The previous prime is 80120819. The next prime is 80120837. The reversal of 80120832 is 23802108.
It is a tau number, because it is divible by the number of its divisors (88).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (80120837) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32607 + ... + 34977.
Almost surely, 280120832 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 80120832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116531616).
80120832 is an abundant number, since it is smaller than the sum of its proper divisors (152942400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80120832 is a wasteful number, since it uses less digits than its factorization.
80120832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2405 (or 2387 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 80120832 is about 8951.0240754899. The cubic root of 80120832 is about 431.1037660877.
The spelling of 80120832 in words is "eighty million, one hundred twenty thousand, eight hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •