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225104315 = 545020863
BaseRepresentation
bin11010110101011…
…01000110111011
3120200120111001212
431122231012323
5430111314230
634200433335
75402232542
oct1532550673
9520514055
10225104315
1110607a227
126347884b
1337836b27
1421c79159
1514b67895
hexd6ad1bb

225104315 has 4 divisors (see below), whose sum is σ = 270125184. Its totient is φ = 180083448.

The previous prime is 225104281. The next prime is 225104317. The reversal of 225104315 is 513401522.

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

It is a cyclic number.

It is not a de Polignac number, because 225104315 - 212 = 225100219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225104317) 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, 22510427 + ... + 22510436.

It is an arithmetic number, because the mean of its divisors is an integer number (67531296).

Almost surely, 2225104315 is an apocalyptic number.

225104315 is a deficient number, since it is larger than the sum of its proper divisors (45020869).

225104315 is an equidigital number, since it uses as much as digits as its factorization.

225104315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45020868.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 225104315 is about 15003.4767637371. The cubic root of 225104315 is about 608.3141798352.

Adding to 225104315 its reverse (513401522), we get a palindrome (738505837).

The spelling of 225104315 in words is "two hundred twenty-five million, one hundred four thousand, three hundred fifteen".

Divisors: 1 5 45020863 225104315