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223310425 = 5213687109
BaseRepresentation
bin11010100111101…
…11001001011001
3120120012100022111
431103313021121
5424131413200
634054152321
75351051542
oct1523671131
9516170274
10223310425
11105064478
12629526a1
1337359460
142192d4c9
15149110ba
hexd4f7259

223310425 has 12 divisors (see below), whose sum is σ = 298205740. Its totient is φ = 164905920.

The previous prime is 223310413. The next prime is 223310443. The reversal of 223310425 is 524013322.

It can be written as a sum of positive squares in 6 ways, for example, as 31404816 + 191905609 = 5604^2 + 13853^2 .

It is not a de Polignac number, because 223310425 - 29 = 223309913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223310396 and 223310405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343230 + ... + 343879.

Almost surely, 2223310425 is an apocalyptic number.

223310425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223310425 is a deficient number, since it is larger than the sum of its proper divisors (74895315).

223310425 is a wasteful number, since it uses less digits than its factorization.

223310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687132 (or 687127 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 223310425 is about 14943.5747062073. The cubic root of 223310425 is about 606.6939526363.

Adding to 223310425 its reverse (524013322), we get a palindrome (747323747).

The spelling of 223310425 in words is "two hundred twenty-three million, three hundred ten thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 687109 3435545 8932417 17177725 44662085 223310425