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10255212 = 223211192947
BaseRepresentation
bin100111000111…
…101101101100
3201022000111200
4213013231230
510111131322
61003445500
7153111402
oct47075554
921260450
1010255212
115874990
123526890
132180a96
14150d472
15d788ac
hex9c7b6c

10255212 has 144 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 2782080.

The previous prime is 10255211. The next prime is 10255243. The reversal of 10255212 is 21255201.

10255212 is a `hidden beast` number, since 102 + 552 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10255211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218173 + ... + 218219.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

Almost surely, 210255212 is an apocalyptic number.

10255212 is a gapful number since it is divisible by the number (12) 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 10255212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

10255212 is an abundant number, since it is smaller than the sum of its proper divisors (21194388).

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

10255212 is a wasteful number, since it uses less digits than its factorization.

10255212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 10255212 is about 3202.3759929153. The cubic root of 10255212 is about 217.2608866472.

The spelling of 10255212 in words is "ten million, two hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 19 22 29 33 36 38 44 47 57 58 66 76 87 94 99 114 116 132 141 171 174 188 198 209 228 261 282 319 342 348 396 418 423 517 522 551 564 627 638 684 836 846 893 957 1034 1044 1102 1254 1276 1363 1551 1653 1692 1786 1881 1914 2068 2204 2508 2679 2726 2871 3102 3306 3572 3762 3828 4089 4653 4959 5358 5452 5742 6061 6204 6612 7524 8037 8178 9306 9823 9918 10716 11484 12122 12267 14993 16074 16356 18183 18612 19646 19836 24244 24534 25897 29469 29986 32148 36366 39292 44979 49068 51794 54549 58938 59972 72732 77691 88407 89958 103588 109098 117876 134937 155382 176814 179916 218196 233073 269874 284867 310764 353628 466146 539748 569734 854601 932292 1139468 1709202 2563803 3418404 5127606 10255212