Base | Representation |
---|---|
bin | 11010110101000… |
… | …00011110000111 |
3 | 120200110212001200 |
4 | 31122200132013 |
5 | 430103140201 |
6 | 34155353543 |
7 | 5401625613 |
oct | 1532403607 |
9 | 520425050 |
10 | 225052551 |
11 | 106044349 |
12 | 634528b3 |
13 | 378193b9 |
14 | 21c64343 |
15 | 14b57386 |
hex | d6a0787 |
225052551 has 12 divisors (see below), whose sum is σ = 325899912. Its totient is φ = 149654736.
The previous prime is 225052547. The next prime is 225052559. The reversal of 225052551 is 155250522.
225052551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 225052551 - 22 = 225052547 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225052559) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27921 + ... + 35066.
It is an arithmetic number, because the mean of its divisors is an integer number (27158326).
Almost surely, 2225052551 is an apocalyptic number.
225052551 is a deficient number, since it is larger than the sum of its proper divisors (100847361).
225052551 is a wasteful number, since it uses less digits than its factorization.
225052551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63390 (or 63387 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 225052551 is about 15001.7515977302. The cubic root of 225052551 is about 608.2675478412.
The spelling of 225052551 in words is "two hundred twenty-five million, fifty-two thousand, five hundred fifty-one".
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