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225050321 = 1012228221
BaseRepresentation
bin11010110100111…
…11111011010001
3120200110202000002
431122133323101
5430103102241
634155335345
75401616246
oct1532377321
9520422002
10225050321
11106042701
1263451555
1337818392
1421c635cd
1514b5689b
hexd69fed1

225050321 has 4 divisors (see below), whose sum is σ = 227278644. Its totient is φ = 222822000.

The previous prime is 225050299. The next prime is 225050327. The reversal of 225050321 is 123050522.

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 91393600 + 133656721 = 9560^2 + 11561^2 .

It is a cyclic number.

It is not a de Polignac number, because 225050321 - 26 = 225050257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225050293 and 225050302.

It is not an unprimeable number, because it can be changed into a prime (225050327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114010 + ... + 1114211.

It is an arithmetic number, because the mean of its divisors is an integer number (56819661).

Almost surely, 2225050321 is an apocalyptic number.

It is an amenable number.

225050321 is a deficient number, since it is larger than the sum of its proper divisors (2228323).

225050321 is a wasteful number, since it uses less digits than its factorization.

225050321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228322.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 225050321 is about 15001.6772728919. The cubic root of 225050321 is about 608.2655387681.

The spelling of 225050321 in words is "two hundred twenty-five million, fifty thousand, three hundred twenty-one".

Divisors: 1 101 2228221 225050321