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225554029 = 330168329
BaseRepresentation
bin11010111000110…
…10111001101101
3120201102022221221
431130122321231
5430220212104
634214223341
75406114631
oct1534327155
9521368857
10225554029
11106357098
1263654b51
133796372c
1421d54dc1
1514c05c54
hexd71ae6d

225554029 has 4 divisors (see below), whose sum is σ = 225625660. Its totient is φ = 225482400.

The previous prime is 225554009. The next prime is 225554039. The reversal of 225554029 is 920455522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142324900 + 83229129 = 11930^2 + 9123^2 .

It is a cyclic number.

It is not a de Polignac number, because 225554029 - 27 = 225553901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225553985 and 225554003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225554009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30864 + ... + 37465.

It is an arithmetic number, because the mean of its divisors is an integer number (56406415).

Almost surely, 2225554029 is an apocalyptic number.

It is an amenable number.

225554029 is a deficient number, since it is larger than the sum of its proper divisors (71631).

225554029 is an equidigital number, since it uses as much as digits as its factorization.

225554029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71630.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 225554029 is about 15018.4562788590. The cubic root of 225554029 is about 608.7190075956.

The spelling of 225554029 in words is "two hundred twenty-five million, five hundred fifty-four thousand, twenty-nine".

Divisors: 1 3301 68329 225554029