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20182050 = 23252743149
BaseRepresentation
bin100110011111…
…1010000100010
31101222100120100
41030333100202
520131311200
62000323230
7333354540
oct114772042
941870510
1020182050
1110435089
126913516
134248255
142974d90
151b89d00
hex133f422

20182050 has 144 divisors (see below), whose sum is σ = 63835200. Its totient is φ = 4475520.

The previous prime is 20182049. The next prime is 20182067. The reversal of 20182050 is 5028102.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135376 + ... + 135524.

It is an arithmetic number, because the mean of its divisors is an integer number (443300).

Almost surely, 220182050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20182050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31917600).

20182050 is an abundant number, since it is smaller than the sum of its proper divisors (43653150).

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

20182050 is a wasteful number, since it uses less digits than its factorization.

20182050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 20182050 is about 4492.4436557402. The cubic root of 20182050 is about 272.2628748272.

The spelling of 20182050 in words is "twenty million, one hundred eighty-two thousand, fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 43 45 50 63 70 75 86 90 105 126 129 149 150 175 210 215 225 258 298 301 315 350 387 430 447 450 525 602 630 645 745 774 894 903 1043 1050 1075 1290 1341 1490 1505 1575 1806 1935 2086 2150 2235 2682 2709 3010 3129 3150 3225 3725 3870 4470 4515 5215 5418 6258 6407 6450 6705 7450 7525 9030 9387 9675 10430 11175 12814 13410 13545 15050 15645 18774 19221 19350 22350 22575 26075 27090 31290 32035 33525 38442 44849 45150 46935 52150 57663 64070 67050 67725 78225 89698 93870 96105 115326 134547 135450 156450 160175 192210 224245 234675 269094 288315 320350 403641 448490 469350 480525 576630 672735 807282 961050 1121225 1345470 1441575 2018205 2242450 2883150 3363675 4036410 6727350 10091025 20182050