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355012225 = 5237383797
BaseRepresentation
bin10101001010010…
…000111010000001
3220202000111012221
4111022100322001
51211340342400
655121051041
711540361031
oct2512207201
9822014187
10355012225
11172438a37
129aa86a81
135871c709
14352138c1
1521278c1a
hex15290e81

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".

Divisors: 1 5 25 37 185 925 383797 1918985 9594925 14200489 71002445 355012225