Base | Representation |
---|---|
bin | 11010100111110… |
… | …00010100011001 |
3 | 120120012120220021 |
4 | 31103320110121 |
5 | 424132041400 |
6 | 34054230441 |
7 | 5351101540 |
oct | 1523702431 |
9 | 516176807 |
10 | 223315225 |
11 | 105068041 |
12 | 62955421 |
13 | 3735b6b3 |
14 | 21931157 |
15 | 1491271a |
hex | d4f8519 |
223315225 has 48 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 145716480.
The previous prime is 223315219. The next prime is 223315231. The reversal of 223315225 is 522513322.
223315225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (223315219) and next prime (223315231).
It is not a de Polignac number, because 223315225 - 23 = 223315217 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 223315225.
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, 400647 + ... + 401203.
It is an arithmetic number, because the mean of its divisors is an integer number (6919200).
Almost surely, 2223315225 is an apocalyptic number.
223315225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
223315225 is a deficient number, since it is larger than the sum of its proper divisors (108806375).
223315225 is a wasteful number, since it uses less digits than its factorization.
223315225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682 (or 677 counting only the distinct ones).
The product of its digits is 3600, while the sum is 25.
The square root of 223315225 is about 14943.7353094867. The cubic root of 223315225 is about 606.6982995152.
Adding to 223315225 its reverse (522513322), we get a palindrome (745828547).
It can be divided in two parts, 22331 and 5225, that added together give a square (27556 = 1662).
The spelling of 223315225 in words is "two hundred twenty-three million, three hundred fifteen thousand, two hundred twenty-five".
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