Base | Representation |
---|---|
bin | 11010110101100… |
… | …01101101000101 |
3 | 120200121102220010 |
4 | 31122301231011 |
5 | 430112420031 |
6 | 34201100433 |
7 | 5402341455 |
oct | 1532615505 |
9 | 520542803 |
10 | 225123141 |
11 | 106092391 |
12 | 63487719 |
13 | 37842579 |
14 | 21c81d65 |
15 | 14b6d246 |
hex | d6b1b45 |
225123141 has 16 divisors (see below), whose sum is σ = 305000640. Its totient is φ = 147678720.
The previous prime is 225123131. The next prime is 225123221. The reversal of 225123141 is 141321522.
It is not a de Polignac number, because 225123141 - 27 = 225123013 is a prime.
It is a super-2 number, since 2×2251231412 = 101360857227411762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225123131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65301 + ... + 68661.
It is an arithmetic number, because the mean of its divisors is an integer number (19062540).
Almost surely, 2225123141 is an apocalyptic number.
It is an amenable number.
225123141 is a deficient number, since it is larger than the sum of its proper divisors (79877499).
225123141 is a wasteful number, since it uses less digits than its factorization.
225123141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3716.
The product of its digits is 480, while the sum is 21.
The square root of 225123141 is about 15004.1041385349. The cubic root of 225123141 is about 608.3311376081.
Adding to 225123141 its reverse (141321522), we get a palindrome (366444663).
The spelling of 225123141 in words is "two hundred twenty-five million, one hundred twenty-three thousand, one hundred forty-one".
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