Base | Representation |
---|---|
bin | 11011000010111101100100 |
3 | 111100012200100 |
4 | 123002331210 |
5 | 3303340040 |
6 | 411544100 |
7 | 114156420 |
oct | 33027544 |
9 | 14305610 |
10 | 7090020 |
11 | 4002923 |
12 | 245b030 |
13 | 16131a2 |
14 | d27b80 |
15 | 950b30 |
hex | 6c2f64 |
7090020 has 144 divisors (see below), whose sum is σ = 26103168. Its totient is φ = 1520640.
The previous prime is 7090009. The next prime is 7090043. The reversal of 7090020 is 200907.
7090020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 7089975 and 7090002.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21255 + ... + 21585.
It is an arithmetic number, because the mean of its divisors is an integer number (181272).
Almost surely, 27090020 is an apocalyptic number.
7090020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7090020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13051584).
7090020 is an abundant number, since it is smaller than the sum of its proper divisors (19013148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7090020 is a wasteful number, since it uses less digits than its factorization.
7090020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370 (or 365 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 7090020 is about 2662.7091467151. The cubic root of 7090020 is about 192.1096379023.
Adding to 7090020 its reverse (200907), we get a palindrome (7290927).
The spelling of 7090020 in words is "seven million, ninety thousand, twenty".
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