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224051912 = 23722919709
BaseRepresentation
bin11010101101011…
…00001011001000
3120121121000102222
431112230023020
5424324130122
634122113212
75360260400
oct1526541310
9517530388
10224051912
11105520577
126304b808
1337558ac6
1421a83800
1514a0ab42
hexd5ac2c8

224051912 has 48 divisors (see below), whose sum is σ = 505561500. Its totient is φ = 92706432.

The previous prime is 224051879. The next prime is 224051929. The reversal of 224051912 is 219150422.

It can be written as a sum of positive squares in 2 ways, for example, as 223981156 + 70756 = 14966^2 + 266^2 .

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 11 ways as a sum of consecutive naturals, for example, 1514 + ... + 21222.

Almost surely, 2224051912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224051912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252780750).

224051912 is an abundant number, since it is smaller than the sum of its proper divisors (281509588).

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

224051912 is a wasteful number, since it uses less digits than its factorization.

224051912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19758 (or 19747 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 224051912 is about 14968.3637048276. The cubic root of 224051912 is about 607.3647060510.

The spelling of 224051912 in words is "two hundred twenty-four million, fifty-one thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 28 29 49 56 58 98 116 196 203 232 392 406 812 1421 1624 2842 5684 11368 19709 39418 78836 137963 157672 275926 551852 571561 965741 1103704 1143122 1931482 2286244 3862964 4000927 4572488 7725928 8001854 16003708 28006489 32007416 56012978 112025956 224051912