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227034820 = 22517365617
BaseRepresentation
bin11011000100001…
…00011011000100
3120211012120020001
431202010123010
5431110103240
634310051044
75424523045
oct1542043304
9524176201
10227034820
11107178691
1264049a84
133806173c
142221c8cc
1514de989a
hexd8846c4

227034820 has 24 divisors (see below), whose sum is σ = 479536344. Its totient is φ = 90287616.

The previous prime is 227034809. The next prime is 227034827. The reversal of 227034820 is 28430722.

It can be written as a sum of positive squares in 4 ways, for example, as 143568324 + 83466496 = 11982^2 + 9136^2 .

It is not an unprimeable number, because it can be changed into a prime (227034827) 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 7 ways as a sum of consecutive naturals, for example, 29349 + ... + 36268.

It is an arithmetic number, because the mean of its divisors is an integer number (19980681).

Almost surely, 2227034820 is an apocalyptic number.

227034820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227034820 is an abundant number, since it is smaller than the sum of its proper divisors (252501524).

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

227034820 is a wasteful number, since it uses less digits than its factorization.

227034820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65799 (or 65797 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 227034820 is about 15067.6746712955. The cubic root of 227034820 is about 610.0482090359.

The spelling of 227034820 in words is "two hundred twenty-seven million, thirty-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 65617 131234 262468 328085 656170 1312340 11351741 22703482 45406964 56758705 113517410 227034820