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16051230 = 23351317269
BaseRepresentation
bin111101001110…
…110000011110
31010012111011000
4331032300132
513102114410
61332011130
7253301406
oct75166036
933174130
1016051230
119073588
125460aa6
13342cc90
1421bb806
151620dc0
hexf4ec1e

16051230 has 128 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 3704832.

The previous prime is 16051201. The next prime is 16051241. The reversal of 16051230 is 3215061.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59536 + ... + 59804.

It is an arithmetic number, because the mean of its divisors is an integer number (382725).

Almost surely, 216051230 is an apocalyptic number.

16051230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16051230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24494400).

16051230 is an abundant number, since it is smaller than the sum of its proper divisors (32937570).

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

16051230 is a wasteful number, since it uses less digits than its factorization.

With its successor (16051231) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (309).

16051230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 16051230 is about 4006.3986321883. The cubic root of 16051230 is about 252.2528640978.

Adding to 16051230 its reverse (3215061), we get a palindrome (19266291).

The spelling of 16051230 in words is "sixteen million, fifty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 17 18 26 27 30 34 39 45 51 54 65 78 85 90 102 117 130 135 153 170 195 221 234 255 269 270 306 351 390 442 459 510 538 585 663 702 765 807 918 1105 1170 1326 1345 1530 1614 1755 1989 2210 2295 2421 2690 3315 3497 3510 3978 4035 4573 4590 4842 5967 6630 6994 7263 8070 9146 9945 10491 11934 12105 13719 14526 17485 19890 20982 22865 24210 27438 29835 31473 34970 36315 41157 45730 52455 59449 59670 62946 68595 72630 82314 94419 104910 118898 123471 137190 157365 178347 188838 205785 246942 297245 314730 356694 411570 472095 535041 594490 617355 891735 944190 1070082 1234710 1605123 1783470 2675205 3210246 5350410 8025615 16051230