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224130128 = 24181193401
BaseRepresentation
bin11010101101111…
…11010001010000
3120121201222201212
431112333101100
5424334131003
634123515252
75361034415
oct1526772120
9517658655
10224130128
11105574312
1263088b28
13375855a1
1421aa410c
1514a23dd8
hexd5bf450

224130128 has 40 divisors (see below), whose sum is σ = 440008296. Its totient is φ = 110592000.

The previous prime is 224130119. The next prime is 224130131. The reversal of 224130128 is 821031422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14807104 + 209323024 = 3848^2 + 14468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558728 + ... + 559128.

Almost surely, 2224130128 is an apocalyptic number.

It is an amenable number.

224130128 is a deficient number, since it is larger than the sum of its proper divisors (215878168).

224130128 is a wasteful number, since it uses less digits than its factorization.

224130128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 224130128 is about 14970.9761872765. The cubic root of 224130128 is about 607.4353743624.

The spelling of 224130128 in words is "two hundred twenty-four million, one hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 181 193 362 386 401 724 772 802 1448 1544 1604 2896 3088 3208 6416 34933 69866 72581 77393 139732 145162 154786 279464 290324 309572 558928 580648 619144 1161296 1238288 14008133 28016266 56032532 112065064 224130128