Base | Representation |
---|---|
bin | 11011000001000010001000 |
3 | 111022210211202 |
4 | 123001002020 |
5 | 3303111440 |
6 | 411443332 |
7 | 114124403 |
oct | 33010210 |
9 | 14283752 |
10 | 7082120 |
11 | 3aa79a1 |
12 | 2456548 |
13 | 160c706 |
14 | d24d3a |
15 | 94d615 |
hex | 6c1088 |
7082120 has 32 divisors (see below), whose sum is σ = 16101720. Its totient is φ = 2803200.
The previous prime is 7082111. The next prime is 7082123. The reversal of 7082120 is 212807.
It can be written as a sum of positive squares in 4 ways, for example, as 5579044 + 1503076 = 2362^2 + 1226^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 7082092 and 7082101.
It is not an unprimeable number, because it can be changed into a prime (7082123) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 4916.
Almost surely, 27082120 is an apocalyptic number.
It is an amenable number.
7082120 is an abundant number, since it is smaller than the sum of its proper divisors (9019600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7082120 is a wasteful number, since it uses less digits than its factorization.
7082120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1865 (or 1861 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 7082120 is about 2661.2252817077. The cubic root of 7082120 is about 192.0382591581.
Adding to 7082120 its reverse (212807), we get a palindrome (7294927).
The spelling of 7082120 in words is "seven million, eighty-two thousand, one hundred twenty".
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