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11841228 = 2234723227
BaseRepresentation
bin101101001010…
…111011001100
3211021121010000
4231022323030
511012404403
61101444300
7202435350
oct55127314
924247100
1011841228
116758543
123b70690
1325b7959
141803460
15108d7a3
hexb4aecc

11841228 has 120 divisors (see below), whose sum is σ = 37078272. Its totient is φ = 3221856.

The previous prime is 11841217. The next prime is 11841229. The reversal of 11841228 is 82214811.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11841229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52051 + ... + 52277.

Almost surely, 211841228 is an apocalyptic number.

11841228 is a gapful number since it is divisible by the number (18) 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 11841228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18539136).

11841228 is an abundant number, since it is smaller than the sum of its proper divisors (25237044).

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

11841228 is a wasteful number, since it uses less digits than its factorization.

11841228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 262 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 11841228 is about 3441.1085423160. The cubic root of 11841228 is about 227.9286480330.

The spelling of 11841228 in words is "eleven million, eight hundred forty-one thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 54 63 69 81 84 92 108 126 138 161 162 189 207 227 252 276 322 324 378 414 454 483 567 621 644 681 756 828 908 966 1134 1242 1362 1449 1589 1863 1932 2043 2268 2484 2724 2898 3178 3726 4086 4347 4767 5221 5796 6129 6356 7452 8172 8694 9534 10442 12258 13041 14301 15663 17388 18387 19068 20884 24516 26082 28602 31326 36547 36774 42903 46989 52164 57204 62652 73094 73548 85806 93978 109641 128709 140967 146188 171612 187956 219282 257418 281934 328923 422901 438564 514836 563868 657846 845802 986769 1315692 1691604 1973538 2960307 3947076 5920614 11841228