Base | Representation |
---|---|
bin | 11111010111011110100001 |
3 | 120110202022200 |
4 | 133113132201 |
5 | 4101111000 |
6 | 452123413 |
7 | 126614445 |
oct | 37273641 |
9 | 16422280 |
10 | 8222625 |
11 | 4706864 |
12 | 2906569 |
13 | 191b878 |
14 | 1140825 |
15 | ac6500 |
hex | 7d77a1 |
8222625 has 24 divisors (see below), whose sum is σ = 14824680. Its totient is φ = 4384800.
The previous prime is 8222623. The next prime is 8222681. The reversal of 8222625 is 5262228.
It can be written as a sum of positive squares in 4 ways, for example, as 471969 + 7750656 = 687^2 + 2784^2 .
It is not a de Polignac number, because 8222625 - 21 = 8222623 is a prime.
It is a super-2 number, since 2×82226252 = 135223123781250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
8222625 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8222623) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2530 + ... + 4779.
It is an arithmetic number, because the mean of its divisors is an integer number (617695).
Almost surely, 28222625 is an apocalyptic number.
It is an amenable number.
8222625 is a deficient number, since it is larger than the sum of its proper divisors (6602055).
8222625 is a wasteful number, since it uses less digits than its factorization.
8222625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7330 (or 7317 counting only the distinct ones).
The product of its digits is 3840, while the sum is 27.
The square root of 8222625 is about 2867.5119877692. The cubic root of 8222625 is about 201.8382605585.
The spelling of 8222625 in words is "eight million, two hundred twenty-two thousand, six hundred twenty-five".
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