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226823688 = 233271322663
BaseRepresentation
bin11011000010100…
…00111000001000
3120210210211121100
431201100320020
5431031324223
634301341400
75422653360
oct1541207010
9523724540
10226823688
11107043aa3
1263b67860
1337cb9600
14221a59a0
1514da7043
hexd850e08

226823688 has 144 divisors (see below), whose sum is σ = 760518720. Its totient is φ = 59799168.

The previous prime is 226823687. The next prime is 226823693. The reversal of 226823688 is 886328622.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (226823687) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83845 + ... + 86507.

It is an arithmetic number, because the mean of its divisors is an integer number (5281380).

Almost surely, 2226823688 is an apocalyptic number.

226823688 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 226823688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380259360).

226823688 is an abundant number, since it is smaller than the sum of its proper divisors (533695032).

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

226823688 is a wasteful number, since it uses less digits than its factorization.

226823688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2688 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 226823688 is about 15060.6669175040. Note that the first 3 decimals coincide. The cubic root of 226823688 is about 609.8590447404.

The spelling of 226823688 in words is "two hundred twenty-six million, eight hundred twenty-three thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 169 182 234 252 273 312 338 364 468 504 507 546 676 728 819 936 1014 1092 1183 1352 1521 1638 2028 2184 2366 2663 3042 3276 3549 4056 4732 5326 6084 6552 7098 7989 9464 10647 10652 12168 14196 15978 18641 21294 21304 23967 28392 31956 34619 37282 42588 47934 55923 63912 69238 74564 85176 95868 103857 111846 138476 149128 167769 191736 207714 223692 242333 276952 311571 335538 415428 447384 450047 484666 623142 671076 726999 830856 900094 969332 1246284 1342152 1350141 1453998 1800188 1938664 2180997 2492568 2700282 2907996 3150329 3600376 4050423 4361994 5400564 5815992 6300658 8100846 8723988 9450987 10801128 12601316 16201692 17447976 18901974 25202632 28352961 32403384 37803948 56705922 75607896 113411844 226823688