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225407323 = 246791369
BaseRepresentation
bin11010110111101…
…11000101011011
3120201010212201101
431123313011123
5430201013243
634211132231
75404634131
oct1533670533
9521125641
10225407323
11106266949
12635a4077
1337911a1b
1421d17751
1514bc754d
hexd6f715b

225407323 has 4 divisors (see below), whose sum is σ = 225501160. Its totient is φ = 225313488.

The previous prime is 225407311. The next prime is 225407327. The reversal of 225407323 is 323704522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323704522 = 2161852261.

It is a cyclic number.

It is not a de Polignac number, because 225407323 - 217 = 225276251 is a prime.

It is a super-2 number, since 2×2254073232 = 101616922524052658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225407291 and 225407300.

It is not an unprimeable number, because it can be changed into a prime (225407327) 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, 43218 + ... + 48151.

It is an arithmetic number, because the mean of its divisors is an integer number (56375290).

Almost surely, 2225407323 is an apocalyptic number.

225407323 is a deficient number, since it is larger than the sum of its proper divisors (93837).

225407323 is an equidigital number, since it uses as much as digits as its factorization.

225407323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93836.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 225407323 is about 15013.5712939993. The cubic root of 225407323 is about 608.5870035998.

The spelling of 225407323 in words is "two hundred twenty-five million, four hundred seven thousand, three hundred twenty-three".

Divisors: 1 2467 91369 225407323