Base | Representation |
---|---|
bin | 11011010101000001110100 |
3 | 111110222012002 |
4 | 123111001310 |
5 | 3313222040 |
6 | 413314432 |
7 | 114615233 |
oct | 33250164 |
9 | 14428162 |
10 | 7164020 |
11 | 4053486 |
12 | 2495a18 |
13 | 163aa86 |
14 | d46b1a |
15 | 967a15 |
hex | 6d5074 |
7164020 has 12 divisors (see below), whose sum is σ = 15044484. Its totient is φ = 2865600.
The previous prime is 7164019. The next prime is 7164029. The reversal of 7164020 is 204617.
It can be written as a sum of positive squares in 2 ways, for example, as 3139984 + 4024036 = 1772^2 + 2006^2 .
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 358201 = 7164020 / (7 + 1 + 6 + 4 + 0 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 7163983 and 7164001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7164029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179081 + ... + 179120.
It is an arithmetic number, because the mean of its divisors is an integer number (1253707).
Almost surely, 27164020 is an apocalyptic number.
It is an amenable number.
7164020 is an abundant number, since it is smaller than the sum of its proper divisors (7880464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7164020 is a wasteful number, since it uses less digits than its factorization.
7164020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 358210 (or 358208 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 7164020 is about 2676.5686989128. The cubic root of 7164020 is about 192.7756886410.
Adding to 7164020 its reverse (204617), we get a palindrome (7368637).
The spelling of 7164020 in words is "seven million, one hundred sixty-four thousand, twenty".
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