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228216334 = 21921128463
BaseRepresentation
bin11011001101001…
…00111000001110
3120220102120221211
431212210320032
5431410410314
634351245034
75440543513
oct1546447016
9526376854
10228216334
11107905345
126451977a
1338386468
142244930a
151507e9c4
hexd9a4e0e

228216334 has 16 divisors (see below), whose sum is σ = 362062080. Its totient is φ = 107586360.

The previous prime is 228216293. The next prime is 228216337. The reversal of 228216334 is 433612822.

228216334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228216296 and 228216305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228216337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6214 + ... + 22249.

It is an arithmetic number, because the mean of its divisors is an integer number (22628880).

Almost surely, 2228216334 is an apocalyptic number.

228216334 is a deficient number, since it is larger than the sum of its proper divisors (133845746).

228216334 is a wasteful number, since it uses less digits than its factorization.

228216334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28695.

The product of its digits is 13824, while the sum is 31.

The square root of 228216334 is about 15106.8307066704. The cubic root of 228216334 is about 611.1046310742.

The spelling of 228216334 in words is "two hundred twenty-eight million, two hundred sixteen thousand, three hundred thirty-four".

Divisors: 1 2 19 38 211 422 4009 8018 28463 56926 540797 1081594 6005693 12011386 114108167 228216334