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235223225 = 5242122349
BaseRepresentation
bin11100000010100…
…11100010111001
3121101121120121022
432001103202321
5440204120400
635201352225
75554235666
oct1601234271
9541546538
10235223225
11110860766
1266938675
133996a853
1423350a6d
15159b5b85
hexe0538b9

235223225 has 12 divisors (see below), whose sum is σ = 292382700. Its totient is φ = 187723200.

The previous prime is 235223179. The next prime is 235223279. The reversal of 235223225 is 522322532.

It can be written as a sum of positive squares in 6 ways, for example, as 94848121 + 140375104 = 9739^2 + 11848^2 .

It is not a de Polignac number, because 235223225 - 26 = 235223161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 235223194 and 235223203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650 + ... + 21699.

It is an arithmetic number, because the mean of its divisors is an integer number (24365225).

Almost surely, 2235223225 is an apocalyptic number.

235223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235223225 is a deficient number, since it is larger than the sum of its proper divisors (57159475).

235223225 is a wasteful number, since it uses less digits than its factorization.

235223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780 (or 22775 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 235223225 is about 15336.9887852864. The cubic root of 235223225 is about 617.2959107431.

Adding to 235223225 its reverse (522322532), we get a palindrome (757545757).

The spelling of 235223225 in words is "two hundred thirty-five million, two hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 421 2105 10525 22349 111745 558725 9408929 47044645 235223225