Base | Representation |
---|---|
bin | 10011000100110100101 |
3 | 1011202102102 |
4 | 2120212211 |
5 | 130000221 |
6 | 21221445 |
7 | 5212223 |
oct | 2304645 |
9 | 1152372 |
10 | 625061 |
11 | 397688 |
12 | 261885 |
13 | 18b678 |
14 | 123b13 |
15 | c530b |
hex | 989a5 |
625061 has 4 divisors (see below), whose sum is σ = 627372. Its totient is φ = 622752.
The previous prime is 625057. The next prime is 625063. The reversal of 625061 is 160526.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160526 = 2 ⋅80263.
It can be written as a sum of positive squares in 2 ways, for example, as 8836 + 616225 = 94^2 + 785^2 .
It is a cyclic number.
It is not a de Polignac number, because 625061 - 22 = 625057 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625061.
It is not an unprimeable number, because it can be changed into a prime (625063) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 1311.
It is an arithmetic number, because the mean of its divisors is an integer number (156843).
2625061 is an apocalyptic number.
It is an amenable number.
625061 is a deficient number, since it is larger than the sum of its proper divisors (2311).
625061 is a wasteful number, since it uses less digits than its factorization.
625061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2310.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 625061 is about 790.6079938882. The cubic root of 625061 is about 85.5015788042.
Adding to 625061 its reverse (160526), we get a palindrome (785587).
The spelling of 625061 in words is "six hundred twenty-five thousand, sixty-one".
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