Base | Representation |
---|---|
bin | 11010111011011… |
… | …00101011001111 |
3 | 120202001100102100 |
4 | 31131230223033 |
5 | 430311421400 |
6 | 34225330143 |
7 | 5412011304 |
oct | 1535545317 |
9 | 522040370 |
10 | 225888975 |
11 | 106565804 |
12 | 63796953 |
13 | 37a50020 |
14 | 220010ab |
15 | 14c70100 |
hex | d76cacf |
225888975 has 72 divisors (see below), whose sum is σ = 450908640. Its totient is φ = 107331840.
The previous prime is 225888973. The next prime is 225888977. The reversal of 225888975 is 579888522.
It is an interprime number because it is at equal distance from previous prime (225888973) and next prime (225888977).
It is not a de Polignac number, because 225888975 - 21 = 225888973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225888973) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83494 + ... + 86156.
It is an arithmetic number, because the mean of its divisors is an integer number (6262620).
Almost surely, 2225888975 is an apocalyptic number.
225888975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
225888975 is a deficient number, since it is larger than the sum of its proper divisors (225019665).
225888975 is a wasteful number, since it uses less digits than its factorization.
225888975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2721 (or 2713 counting only the distinct ones).
The product of its digits is 3225600, while the sum is 54.
The square root of 225888975 is about 15029.6032881776. The cubic root of 225888975 is about 609.0201729184.
The spelling of 225888975 in words is "two hundred twenty-five million, eight hundred eighty-eight thousand, nine hundred seventy-five".
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