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225493600 = 2552281867
BaseRepresentation
bin11010111000011…
…00001001100000
3120201022021001211
431130030021200
5430211243400
634213035504
75405443513
oct1534141140
9521267054
10225493600
11106315752
1263625b94
1337942087
1421d3ad7a
1514be2dba
hexd70c260

225493600 has 36 divisors (see below), whose sum is σ = 550488204. Its totient is φ = 90197120.

The previous prime is 225493579. The next prime is 225493603. The reversal of 225493600 is 6394522.

225493600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225493603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140134 + ... + 141733.

It is an arithmetic number, because the mean of its divisors is an integer number (15291339).

Almost surely, 2225493600 is an apocalyptic number.

225493600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225493600 is an abundant number, since it is smaller than the sum of its proper divisors (324994604).

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

225493600 is a wasteful number, since it uses less digits than its factorization.

225493600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281887 (or 281874 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 225493600 is about 15016.4443194786. Note that the first 3 decimals coincide. The cubic root of 225493600 is about 608.6646413660.

The spelling of 225493600 in words is "two hundred twenty-five million, four hundred ninety-three thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 281867 563734 1127468 1409335 2254936 2818670 4509872 5637340 7046675 9019744 11274680 14093350 22549360 28186700 45098720 56373400 112746800 225493600