Base | Representation |
---|---|
bin | 11010111011110… |
… | …10011110010111 |
3 | 120202011012221200 |
4 | 31131322132113 |
5 | 430320223440 |
6 | 34230443543 |
7 | 5412335136 |
oct | 1535723627 |
9 | 522135850 |
10 | 225945495 |
11 | 1065a4216 |
12 | 638035b3 |
13 | 37a6c979 |
14 | 2201791d |
15 | 14c81c30 |
hex | d77a797 |
225945495 has 48 divisors (see below), whose sum is σ = 406660800. Its totient is φ = 115955712.
The previous prime is 225945493. The next prime is 225945509. The reversal of 225945495 is 594549522.
225945495 is a `hidden beast` number, since 2 + 2 + 594 + 54 + 9 + 5 = 666.
It is not a de Polignac number, because 225945495 - 21 = 225945493 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 225945495.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225945493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160806 + ... + 162204.
It is an arithmetic number, because the mean of its divisors is an integer number (8472100).
Almost surely, 2225945495 is an apocalyptic number.
225945495 is a deficient number, since it is larger than the sum of its proper divisors (180715305).
225945495 is a wasteful number, since it uses less digits than its factorization.
225945495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1544 (or 1541 counting only the distinct ones).
The product of its digits is 648000, while the sum is 45.
The square root of 225945495 is about 15031.4834597255. The cubic root of 225945495 is about 609.0709632823.
The spelling of 225945495 in words is "two hundred twenty-five million, nine hundred forty-five thousand, four hundred ninety-five".
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