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224120325 = 352111320897
BaseRepresentation
bin11010101101111…
…00111000000101
3120121201111021210
431112330320011
5424333322300
634123402033
75360664012
oct1526747005
9517644253
10224120325
11105567a10
1263083319
1337580ca0
1421aa0709
1514a21050
hexd5bce05

224120325 has 48 divisors (see below), whose sum is σ = 435347136. Its totient is φ = 100300800.

The previous prime is 224120311. The next prime is 224120353. The reversal of 224120325 is 523021422.

It is not a de Polignac number, because 224120325 - 220 = 223071749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (9069732).

Almost surely, 2224120325 is an apocalyptic number.

224120325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224120325 is a deficient number, since it is larger than the sum of its proper divisors (211226811).

224120325 is a wasteful number, since it uses less digits than its factorization.

224120325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20934 (or 20929 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 224120325 is about 14970.6487835364. The cubic root of 224120325 is about 607.4265182337.

Adding to 224120325 its reverse (523021422), we get a palindrome (747141747).

The spelling of 224120325 in words is "two hundred twenty-four million, one hundred twenty thousand, three hundred twenty-five".

Divisors: 1 3 5 11 13 15 25 33 39 55 65 75 143 165 195 275 325 429 715 825 975 2145 3575 10725 20897 62691 104485 229867 271661 313455 522425 689601 814983 1149335 1358305 1567275 2988271 3448005 4074915 5746675 6791525 8964813 14941355 17240025 20374575 44824065 74706775 224120325