Base | Representation |
---|---|
bin | 10000000011000110110001 |
3 | 21220201221202 |
4 | 100003012301 |
5 | 2034111100 |
6 | 230100545 |
7 | 50521244 |
oct | 20030661 |
9 | 7821852 |
10 | 4207025 |
11 | 2413889 |
12 | 14aa755 |
13 | b43b84 |
14 | 7b725b |
15 | 5817d5 |
hex | 4031b1 |
4207025 has 6 divisors (see below), whose sum is σ = 5216742. Its totient is φ = 3365600.
The previous prime is 4207003. The next prime is 4207031. The reversal of 4207025 is 5207024.
It can be written as a sum of positive squares in 3 ways, for example, as 698896 + 3508129 = 836^2 + 1873^2 .
It is not a de Polignac number, because 4207025 - 212 = 4202929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4206988 and 4207006.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84116 + ... + 84165.
It is an arithmetic number, because the mean of its divisors is an integer number (869457).
Almost surely, 24207025 is an apocalyptic number.
It is an amenable number.
4207025 is a deficient number, since it is larger than the sum of its proper divisors (1009717).
4207025 is a wasteful number, since it uses less digits than its factorization.
4207025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168291 (or 168286 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 20.
The square root of 4207025 is about 2051.1033616081. The cubic root of 4207025 is about 161.4327695450.
Subtracting 4207025 from its reverse (5207024), we obtain a palindrome (999999).
It can be divided in two parts, 4 and 207025, that multiplied together give a square (828100 = 9102).
The spelling of 4207025 in words is "four million, two hundred seven thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •