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228035262 = 237131492803
BaseRepresentation
bin11011001011110…
…00101010111110
3120220002101120110
431211320222332
5431334112022
634343330450
75436160560
oct1545705276
9526071513
10228035262
111077a12a4
1264450a26
1338321c10
14223dd330
151504600c
hexd978abe

228035262 has 64 divisors (see below), whose sum is σ = 565286400. Its totient is φ = 59716224.

The previous prime is 228035261. The next prime is 228035281. The reversal of 228035262 is 262530822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228035261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79953 + ... + 82755.

It is an arithmetic number, because the mean of its divisors is an integer number (8832600).

Almost surely, 2228035262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228035262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282643200).

228035262 is an abundant number, since it is smaller than the sum of its proper divisors (337251138).

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

228035262 is a wasteful number, since it uses less digits than its factorization.

228035262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 228035262 is about 15100.8364668981. The cubic root of 228035262 is about 610.9429668997.

The spelling of 228035262 in words is "two hundred twenty-eight million, thirty-five thousand, two hundred sixty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 149 182 273 298 447 546 894 1043 1937 2086 2803 3129 3874 5606 5811 6258 8409 11622 13559 16818 19621 27118 36439 39242 40677 58863 72878 81354 109317 117726 218634 255073 417647 510146 765219 835294 1252941 1530438 2505882 2923529 5429411 5847058 8770587 10858822 16288233 17541174 32576466 38005877 76011754 114017631 228035262