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16480530 = 23351131179
BaseRepresentation
bin111110110111…
…100100010010
31011000022001000
4332313210102
513204334110
61345122430
7260040123
oct76674422
934008030
1016480530
119337080
125629416
1335504c1
14229004a
1516a81c0
hexfb7912

16480530 has 128 divisors (see below), whose sum is σ = 49766400. Its totient is φ = 3844800.

The previous prime is 16480517. The next prime is 16480537. The reversal of 16480530 is 3508461.

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

It is a junction number, because it is equal to n+sod(n) for n = 16480494 and 16480503.

It is not an unprimeable number, because it can be changed into a prime (16480537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91981 + ... + 92159.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 216480530 is an apocalyptic number.

16480530 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 16480530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24883200).

16480530 is an abundant number, since it is smaller than the sum of its proper divisors (33285870).

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

16480530 is a wasteful number, since it uses less digits than its factorization.

16480530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16480530 is about 4059.6219035767. The cubic root of 16480530 is about 254.4819934175.

Adding to 16480530 its reverse (3508461), we get a palindrome (19988991).

The spelling of 16480530 in words is "sixteen million, four hundred eighty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 90 93 99 110 135 155 165 179 186 198 270 279 297 310 330 341 358 465 495 537 558 594 682 837 895 930 990 1023 1074 1395 1485 1611 1674 1705 1790 1969 2046 2685 2790 2970 3069 3222 3410 3938 4185 4833 5115 5370 5549 5907 6138 8055 8370 9207 9666 9845 10230 11098 11814 15345 16110 16647 17721 18414 19690 24165 27745 29535 30690 33294 35442 46035 48330 49941 53163 55490 59070 61039 83235 88605 92070 99882 106326 122078 149823 166470 177210 183117 249705 265815 299646 305195 366234 499410 531630 549351 610390 749115 915585 1098702 1498230 1648053 1831170 2746755 3296106 5493510 8240265 16480530