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228268476 = 22332279311
BaseRepresentation
bin11011001101100…
…01100110111100
3120220112020111000
431212301212330
5431414042401
634352330300
75441151522
oct1546614674
9526466430
10228268476
11107940537
1264543990
13383a4107
1422460312
1515090186
hexd9b19bc

228268476 has 48 divisors (see below), whose sum is σ = 594478080. Its totient is φ = 75746160.

The previous prime is 228268471. The next prime is 228268477. The reversal of 228268476 is 674862822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228268471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19861 + ... + 29171.

It is an arithmetic number, because the mean of its divisors is an integer number (12384960).

Almost surely, 2228268476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228268476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297239040).

228268476 is an abundant number, since it is smaller than the sum of its proper divisors (366209604).

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

228268476 is a wasteful number, since it uses less digits than its factorization.

228268476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551 (or 9543 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 228268476 is about 15108.5563837185. The cubic root of 228268476 is about 611.1511684841.

The spelling of 228268476 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 227 454 681 908 1362 2043 2724 4086 6129 8172 9311 12258 18622 24516 27933 37244 55866 83799 111732 167598 251397 335196 502794 1005588 2113597 4227194 6340791 8454388 12681582 19022373 25363164 38044746 57067119 76089492 114134238 228268476