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225298079 = 467482437
BaseRepresentation
bin11010110110111…
…00011010011111
3120200221022212022
431123130122133
5430134014304
634204530355
75404000466
oct1533343237
9520838768
10225298079
111061a1866
12635509bb
13378a4096
1421cc99dd
1514ba4ebe
hexd6dc69f

225298079 has 4 divisors (see below), whose sum is σ = 225780984. Its totient is φ = 224815176.

The previous prime is 225298063. The next prime is 225298081. The reversal of 225298079 is 970892522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970892522 = 2485446261.

It is a cyclic number.

It is not a de Polignac number, because 225298079 - 24 = 225298063 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 (225298009) 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, 240752 + ... + 241685.

It is an arithmetic number, because the mean of its divisors is an integer number (56445246).

Almost surely, 2225298079 is an apocalyptic number.

225298079 is a deficient number, since it is larger than the sum of its proper divisors (482905).

225298079 is an equidigital number, since it uses as much as digits as its factorization.

225298079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482904.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 225298079 is about 15009.9326780635. The cubic root of 225298079 is about 608.4886701751.

The spelling of 225298079 in words is "two hundred twenty-five million, two hundred ninety-eight thousand, seventy-nine".

Divisors: 1 467 482437 225298079