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225195955 = 552386117
BaseRepresentation
bin11010110110000…
…11011110110011
3120200202010202221
431123003132303
5430122232310
634202421511
75403063655
oct1533033663
9520663687
10225195955
11106132066
1263501897
133786975a
1421ca06d5
1514b84ada
hexd6c37b3

225195955 has 8 divisors (see below), whose sum is σ = 270754992. Its totient is φ = 179810208.

The previous prime is 225195947. The next prime is 225195959. The reversal of 225195955 is 559591522.

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 225195955 - 23 = 225195947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225195959) 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, 40444 + ... + 45673.

It is an arithmetic number, because the mean of its divisors is an integer number (33844374).

Almost surely, 2225195955 is an apocalyptic number.

225195955 is a deficient number, since it is larger than the sum of its proper divisors (45559037).

225195955 is an equidigital number, since it uses as much as digits as its factorization.

225195955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86645.

The product of its digits is 202500, while the sum is 43.

The square root of 225195955 is about 15006.5304117907. The cubic root of 225195955 is about 608.3967169002.

The spelling of 225195955 in words is "two hundred twenty-five million, one hundred ninety-five thousand, nine hundred fifty-five".

Divisors: 1 5 523 2615 86117 430585 45039191 225195955