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228085424 = 24719107183
BaseRepresentation
bin11011001100001…
…00111010110000
3120220011221101022
431212010322300
5431342213144
634344355012
75436460040
oct1546047260
9526157338
10228085424
11107825a56
1264475a68
133833b9b8
1422413720
1515055cee
hexd984eb0

228085424 has 40 divisors (see below), whose sum is σ = 531632640. Its totient is φ = 92605248.

The previous prime is 228085421. The next prime is 228085433. The reversal of 228085424 is 424580822.

It is not an unprimeable number, because it can be changed into a prime (228085421) by changing a digit.

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, 51464 + ... + 55719.

It is an arithmetic number, because the mean of its divisors is an integer number (13290816).

Almost surely, 2228085424 is an apocalyptic number.

It is an amenable number.

228085424 is an abundant number, since it is smaller than the sum of its proper divisors (303547216).

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

228085424 is a wasteful number, since it uses less digits than its factorization.

228085424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107217 (or 107211 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 228085424 is about 15102.4972769407. The cubic root of 228085424 is about 610.9877609577.

The spelling of 228085424 in words is "two hundred twenty-eight million, eighty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 107183 214366 428732 750281 857464 1500562 1714928 2036477 3001124 4072954 6002248 8145908 12004496 14255339 16291816 28510678 32583632 57021356 114042712 228085424