Base | Representation |
---|---|
bin | 10101001010010… |
… | …000111010000001 |
3 | 220202000111012221 |
4 | 111022100322001 |
5 | 1211340342400 |
6 | 55121051041 |
7 | 11540361031 |
oct | 2512207201 |
9 | 822014187 |
10 | 355012225 |
11 | 172438a37 |
12 | 9aa86a81 |
13 | 5871c709 |
14 | 352138c1 |
15 | 21278c1a |
hex | 15290e81 |
355012225 has 12 divisors (see below), whose sum is σ = 452114044. Its totient is φ = 276333120.
The previous prime is 355012193. The next prime is 355012247. The reversal of 355012225 is 522210553.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 7711729 + 347300496 = 2777^2 + 18636^2 .
It is not a de Polignac number, because 355012225 - 25 = 355012193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 355012225.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190974 + ... + 192823.
Almost surely, 2355012225 is an apocalyptic number.
It is an amenable number.
355012225 is a deficient number, since it is larger than the sum of its proper divisors (97101819).
355012225 is a wasteful number, since it uses less digits than its factorization.
355012225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383844 (or 383839 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 355012225 is about 18841.7680964394. The cubic root of 355012225 is about 708.0780028595.
Adding to 355012225 its reverse (522210553), we get a palindrome (877222778).
The spelling of 355012225 in words is "three hundred fifty-five million, twelve thousand, two hundred twenty-five".
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