Base | Representation |
---|---|
bin | 1001100100001… |
… | …01111101001100 |
3 | 12120222122012220 |
4 | 10302011331030 |
5 | 131020143320 |
6 | 11543455340 |
7 | 1663014126 |
oct | 462057514 |
9 | 176878186 |
10 | 80240460 |
11 | 41325933 |
12 | 22a57550 |
13 | 13815981 |
14 | a92a216 |
15 | 709ee40 |
hex | 4c85f4c |
80240460 has 48 divisors (see below), whose sum is σ = 226914912. Its totient is φ = 21184000.
The previous prime is 80240453. The next prime is 80240467. The reversal of 80240460 is 6404208.
It is an interprime number because it is at equal distance from previous prime (80240453) and next prime (80240467).
It is a self number, because there is not a number n which added to its sum of digits gives 80240460.
It is not an unprimeable number, because it can be changed into a prime (80240467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561 + ... + 12680.
It is an arithmetic number, because the mean of its divisors is an integer number (4727394).
Almost surely, 280240460 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 80240460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113457456).
80240460 is an abundant number, since it is smaller than the sum of its proper divisors (146674452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80240460 is a wasteful number, since it uses less digits than its factorization.
80240460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13354 (or 13352 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 80240460 is about 8957.7039468828. The cubic root of 80240460 is about 431.3182189916.
Adding to 80240460 its reverse (6404208), we get a palindrome (86644668).
The spelling of 80240460 in words is "eighty million, two hundred forty thousand, four hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •