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223094525 = 528923781
BaseRepresentation
bin11010100110000…
…10011011111101
3120112210101011012
431103002123331
5424103011100
634045405005
75346162233
oct1523023375
9515711135
10223094525
11104a27245
1262869765
13372b20c4
14218b4953
15148bc135
hexd4c26fd

223094525 has 6 divisors (see below), whose sum is σ = 276637242. Its totient is φ = 178475600.

The previous prime is 223094513. The next prime is 223094539. The reversal of 223094525 is 525490322.

It can be written as a sum of positive squares in 3 ways, for example, as 52374169 + 170720356 = 7237^2 + 13066^2 .

It is not a de Polignac number, because 223094525 - 26 = 223094461 is a prime.

It is a super-3 number, since 3×2230945253 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223094491 and 223094500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4461866 + ... + 4461915.

It is an arithmetic number, because the mean of its divisors is an integer number (46106207).

Almost surely, 2223094525 is an apocalyptic number.

223094525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223094525 is a deficient number, since it is larger than the sum of its proper divisors (53542717).

223094525 is an equidigital number, since it uses as much as digits as its factorization.

223094525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923791 (or 8923786 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 223094525 is about 14936.3491188443. The cubic root of 223094525 is about 606.4983692014.

The spelling of 223094525 in words is "two hundred twenty-three million, ninety-four thousand, five hundred twenty-five".

Divisors: 1 5 25 8923781 44618905 223094525