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82228944 = 24374147127
BaseRepresentation
bin1001110011010…
…11011011010000
312201201122220110
410321223123100
5132022311234
612054241320
72015635350
oct471533320
9181648813
1082228944
1142463906
1223656240
1314060aa5
14acc6b60
1573441e9
hex4e6b6d0

82228944 has 160 divisors (see below), whose sum is σ = 255983616. Its totient is φ = 22256640.

The previous prime is 82228921. The next prime is 82228973. The reversal of 82228944 is 44982228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647409 + ... + 647535.

Almost surely, 282228944 is an apocalyptic number.

82228944 is a gapful number since it is divisible by the number (84) 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 82228944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127991808).

82228944 is an abundant number, since it is smaller than the sum of its proper divisors (173754672).

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

82228944 is a wasteful number, since it uses less digits than its factorization.

82228944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 227 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 82228944 is about 9068.0176444469. The cubic root of 82228944 is about 434.8520992766.

The spelling of 82228944 in words is "eighty-two million, two hundred twenty-eight thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 47 48 56 82 84 94 112 123 127 141 164 168 188 246 254 282 287 328 329 336 376 381 492 508 564 574 656 658 752 762 861 889 984 987 1016 1128 1148 1316 1524 1722 1778 1927 1968 1974 2032 2256 2296 2632 2667 3048 3444 3556 3854 3948 4592 5207 5264 5334 5781 5969 6096 6888 7112 7708 7896 10414 10668 11562 11938 13489 13776 14224 15416 15621 15792 17907 20828 21336 23124 23876 26978 30832 31242 35814 36449 40467 41656 41783 42672 46248 47752 53956 62484 71628 72898 80934 83312 83566 92496 95504 107912 109347 124968 125349 143256 145796 161868 167132 215824 218694 244729 249936 250698 286512 291592 323736 334264 437388 489458 501396 583184 647472 668528 734187 874776 978916 1002792 1468374 1713103 1749552 1957832 2005584 2936748 3426206 3915664 5139309 5873496 6852412 10278618 11746992 13704824 20557236 27409648 41114472 82228944