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228075568 = 24719710337
BaseRepresentation
bin11011001100000…
…10100000110000
3120220011102212021
431212002200300
5431341404233
634344241224
75436416230
oct1546024060
9526142767
10228075568
11107819606
1264470214
1338337376
142240dcc0
1515052e2d
hexd982830

228075568 has 40 divisors (see below), whose sum is σ = 507637152. Its totient is φ = 97241088.

The previous prime is 228075557. The next prime is 228075577. The reversal of 228075568 is 865570822.

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, 16896 + ... + 27232.

Almost surely, 2228075568 is an apocalyptic number.

228075568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228075568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253818576).

228075568 is an abundant number, since it is smaller than the sum of its proper divisors (279561584).

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

228075568 is a wasteful number, since it uses less digits than its factorization.

228075568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549 (or 10543 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 228075568 is about 15102.1709697646. The cubic root of 228075568 is about 610.9789601876.

The spelling of 228075568 in words is "two hundred twenty-eight million, seventy-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 197 394 788 1379 1576 2758 3152 5516 10337 11032 20674 22064 41348 72359 82696 144718 165392 289436 578872 1157744 2036389 4072778 8145556 14254723 16291112 28509446 32582224 57018892 114037784 228075568