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227068820 = 225111032131
BaseRepresentation
bin11011000100011…
…00101110010100
3120211021021212022
431202030232110
5431112200240
634310512312
75425024136
oct1542145624
9524237768
10227068820
111071a1190
1264065698
1338074064
142222b056
1514e049b5
hexd88cb94

227068820 has 24 divisors (see below), whose sum is σ = 520194528. Its totient is φ = 82570400.

The previous prime is 227068771. The next prime is 227068841. The reversal of 227068820 is 28860722.

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 7 ways as a sum of consecutive naturals, for example, 515846 + ... + 516285.

It is an arithmetic number, because the mean of its divisors is an integer number (21674772).

Almost surely, 2227068820 is an apocalyptic number.

227068820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227068820 is an abundant number, since it is smaller than the sum of its proper divisors (293125708).

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

227068820 is a wasteful number, since it uses less digits than its factorization.

227068820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032151 (or 1032149 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 227068820 is about 15068.8028721594. The cubic root of 227068820 is about 610.0786604644.

The spelling of 227068820 in words is "two hundred twenty-seven million, sixty-eight thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1032131 2064262 4128524 5160655 10321310 11353441 20642620 22706882 45413764 56767205 113534410 227068820