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228268854 = 2361143331
BaseRepresentation
bin11011001101100…
…01101100110110
3120220112021000000
431212301230312
5431414100404
634352332130
75441152602
oct1546615466
9526467000
10228268854
11107940850
1264544046
13383a4338
1422460502
1515090339
hexd9b1b36

228268854 has 112 divisors (see below), whose sum is σ = 574795584. Its totient is φ = 67359600.

The previous prime is 228268837. The next prime is 228268861. The reversal of 228268854 is 458862822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 689469 + ... + 689799.

Almost surely, 2228268854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228268854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287397792).

228268854 is an abundant number, since it is smaller than the sum of its proper divisors (346526730).

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

228268854 is a wasteful number, since it uses less digits than its factorization.

228268854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 390 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 228268854 is about 15108.5688931811. The cubic root of 228268854 is about 611.1515058281.

The spelling of 228268854 in words is "two hundred twenty-eight million, two hundred sixty-eight thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 43 54 66 81 86 99 129 162 198 243 258 297 331 387 473 486 594 662 729 774 891 946 993 1161 1419 1458 1782 1986 2322 2673 2838 2979 3483 3641 4257 5346 5958 6966 7282 8019 8514 8937 10449 10923 12771 14233 16038 17874 20898 21846 25542 26811 28466 31347 32769 38313 42699 53622 62694 65538 76626 80433 85398 98307 114939 128097 156563 160866 196614 229878 241299 256194 294921 313126 344817 384291 469689 482598 589842 689634 768582 884763 939378 1152873 1409067 1769526 2305746 2654289 2818134 3458619 4227201 5308578 6917238 8454402 10375857 12681603 20751714 25363206 38044809 76089618 114134427 228268854