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225353249 = 11109187951
BaseRepresentation
bin11010110111010…
…01111000100001
3120201001010112122
431123221320201
5430142300444
634210034025
75404320362
oct1533517041
9521033478
10225353249
1110622a260
1263578915
13378c3224
1421d01b69
1514bb64ee
hexd6e9e21

225353249 has 8 divisors (see below), whose sum is σ = 248096640. Its totient is φ = 202986000.

The previous prime is 225353237. The next prime is 225353257. The reversal of 225353249 is 942353522.

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 225353249 - 212 = 225349153 is a prime.

It is a super-3 number, since 3×2253532493 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225358249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92777 + ... + 95174.

It is an arithmetic number, because the mean of its divisors is an integer number (31012080).

Almost surely, 2225353249 is an apocalyptic number.

It is an amenable number.

225353249 is a deficient number, since it is larger than the sum of its proper divisors (22743391).

225353249 is a wasteful number, since it uses less digits than its factorization.

225353249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188071.

The product of its digits is 64800, while the sum is 35.

The square root of 225353249 is about 15011.7703486298. The cubic root of 225353249 is about 608.5383341288.

The spelling of 225353249 in words is "two hundred twenty-five million, three hundred fifty-three thousand, two hundred forty-nine".

Divisors: 1 11 109 1199 187951 2067461 20486659 225353249