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201832680 = 23357241997
BaseRepresentation
bin11000000011110…
…11100011101000
3112001210011101110
430001323203220
5403132121210
632005550320
75000356320
oct1401734350
9461704343
10201832680
11a3a24975
12577153a0
1332a7952a
141cb3c280
1512abc420
hexc07b8e8

201832680 has 128 divisors (see below), whose sum is σ = 695566080. Its totient is φ = 45895680.

The previous prime is 201832651. The next prime is 201832717. The reversal of 201832680 is 86238102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201942 + ... + 202938.

It is an arithmetic number, because the mean of its divisors is an integer number (5434110).

Almost surely, 2201832680 is an apocalyptic number.

201832680 is a gapful number since it is divisible by the number (20) 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 201832680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347783040).

201832680 is an abundant number, since it is smaller than the sum of its proper divisors (493733400).

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

201832680 is a wasteful number, since it uses less digits than its factorization.

201832680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 201832680 is about 14206.7828870579. The cubic root of 201832680 is about 586.5843821119.

The spelling of 201832680 in words is "two hundred one million, eight hundred thirty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 241 280 420 482 723 840 964 997 1205 1446 1687 1928 1994 2410 2892 2991 3374 3615 3988 4820 4985 5061 5784 5982 6748 6979 7230 7976 8435 9640 9970 10122 11964 13496 13958 14460 14955 16870 19940 20244 20937 23928 25305 27916 28920 29910 33740 34895 39880 40488 41874 50610 55832 59820 67480 69790 83748 101220 104685 119640 139580 167496 202440 209370 240277 279160 418740 480554 720831 837480 961108 1201385 1441662 1681939 1922216 2402770 2883324 3363878 3604155 4805540 5045817 5766648 6727756 7208310 8409695 9611080 10091634 13455512 14416620 16819390 20183268 25229085 28833240 33638780 40366536 50458170 67277560 100916340 201832680