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201400980 = 2235111971549
BaseRepresentation
bin11000000000100…
…10001010010100
3112000222020012120
430000102022110
5403024312410
631552415540
74663610604
oct1400221224
9460866176
10201400980
11a375a5a0
12575475b0
1332957ba1
141ca68c04
1512a34570
hexc012294

201400980 has 96 divisors (see below), whose sum is σ = 618710400. Its totient is φ = 48545280.

The previous prime is 201400957. The next prime is 201400987. The reversal of 201400980 is 89004102.

It is a self number, because there is not a number n which added to its sum of digits gives 201400980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201400987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129246 + ... + 130794.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2201400980 is an apocalyptic number.

201400980 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 201400980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309355200).

201400980 is an abundant number, since it is smaller than the sum of its proper divisors (417309420).

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

201400980 is a wasteful number, since it uses less digits than its factorization.

201400980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 201400980 is about 14191.5813072399. The cubic root of 201400980 is about 586.1658683937.

The spelling of 201400980 in words is "two hundred one million, four hundred thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 197 220 330 394 591 660 788 985 1182 1549 1970 2167 2364 2955 3098 3940 4334 4647 5910 6196 6501 7745 8668 9294 10835 11820 13002 15490 17039 18588 21670 23235 26004 30980 32505 34078 43340 46470 51117 65010 68156 85195 92940 102234 130020 170390 204468 255585 305153 340780 511170 610306 915459 1022340 1220612 1525765 1830918 3051530 3356683 3661836 4577295 6103060 6713366 9154590 10070049 13426732 16783415 18309180 20140098 33566830 40280196 50350245 67133660 100700490 201400980