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225340213 = 7175918301
BaseRepresentation
bin11010110111001…
…10101100110101
3120201000110122211
431123212230311
5430141341323
634205453421
75404234360
oct1533465465
9521013584
10225340213
1110622048a
1263571271
13378ba307
1421cdb0d7
1514bb270d
hexd6e6b35

225340213 has 8 divisors (see below), whose sum is σ = 257692160. Its totient is φ = 193028400.

The previous prime is 225340201. The next prime is 225340217. The reversal of 225340213 is 312043522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225340213 - 29 = 225339701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225340217) 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 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (32211520).

Almost surely, 2225340213 is an apocalyptic number.

It is an amenable number.

225340213 is a deficient number, since it is larger than the sum of its proper divisors (32351947).

225340213 is a wasteful number, since it uses less digits than its factorization.

225340213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067.

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

The square root of 225340213 is about 15011.3361497236. The cubic root of 225340213 is about 608.5265998720.

Adding to 225340213 its reverse (312043522), we get a palindrome (537383735).

The spelling of 225340213 in words is "two hundred twenty-five million, three hundred forty thousand, two hundred thirteen".

Divisors: 1 7 1759 12313 18301 128107 32191459 225340213