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355225 = 52131093
BaseRepresentation
bin1010110101110011001
3200001021111
41112232121
542331400
611340321
73006433
oct1265631
9601244
10355225
11222982
121516a1
13c58c0
1493653
15703ba
hex56b99

355225 has 12 divisors (see below), whose sum is σ = 474796. Its totient is φ = 262080.

The previous prime is 355211. The next prime is 355261. The reversal of 355225 is 522553.

355225 = T115 + T116 + ... + T153.

It can be written as a sum of positive squares in 6 ways, for example, as 9 + 355216 = 3^2 + 596^2 .

It is not a de Polignac number, because 355225 - 25 = 355193 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355196 and 355205.

It is a congruent number.

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, 222 + ... + 871.

2355225 is an apocalyptic number.

It is an amenable number.

355225 is a deficient number, since it is larger than the sum of its proper divisors (119571).

355225 is a wasteful number, since it uses less digits than its factorization.

355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1111 counting only the distinct ones).

The product of its digits is 1500, while the sum is 22.

The square root of 355225 is about 596.0075502877. The cubic root of 355225 is about 70.8219435743.

Adding to 355225 its reverse (522553), we get a palindrome (877778).

The spelling of 355225 in words is "three hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 1093 5465 14209 27325 71045 355225