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225151200 = 25325231271
BaseRepresentation
bin11010110101110…
…00100011100000
3120200122212101100
431122320203200
5430114314300
634201434400
75402516331
oct1532704340
9520585340
10225151200
1110610147a
126349ba00
1337852281
1421c8c288
1514b76700
hexd6b88e0

225151200 has 108 divisors (see below), whose sum is σ = 793964808. Its totient is φ = 60038400.

The previous prime is 225151193. The next prime is 225151211. The reversal of 225151200 is 2151522.

225151200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2251512002 = 101386125722880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8436 + ... + 22835.

It is an arithmetic number, because the mean of its divisors is an integer number (7351526).

Almost surely, 2225151200 is an apocalyptic number.

225151200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225151200 is an abundant number, since it is smaller than the sum of its proper divisors (568813608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225151200 is a wasteful number, since it uses less digits than its factorization.

225151200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31297 (or 31281 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 225151200 is about 15005.0391535644. The cubic root of 225151200 is about 608.3564103754.

The spelling of 225151200 in words is "two hundred twenty-five million, one hundred fifty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 31271 62542 93813 125084 156355 187626 250168 281439 312710 375252 469065 500336 562878 625420 750504 781775 938130 1000672 1125756 1250840 1407195 1501008 1563550 1876260 2251512 2345325 2501680 2814390 3002016 3127100 3752520 4503024 4690650 5003360 5628780 6254200 7035975 7505040 9006048 9381300 11257560 12508400 14071950 15010080 18762600 22515120 25016800 28143900 37525200 45030240 56287800 75050400 112575600 225151200