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201103140 = 223573712941
BaseRepresentation
bin10111111110010…
…01011100100100
3112000102002122110
423333021130210
5402440300030
631542201020
74661230350
oct1377113444
9460362573
10201103140
11a3576847
1257423170
1332882454
141c9cc460
15129c61b0
hexbfc9724

201103140 has 96 divisors (see below), whose sum is σ = 660973824. Its totient is φ = 44720640.

The previous prime is 201103121. The next prime is 201103151. The reversal of 201103140 is 41301102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9070 + ... + 22010.

It is an arithmetic number, because the mean of its divisors is an integer number (6885144).

Almost surely, 2201103140 is an apocalyptic number.

201103140 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 201103140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330486912).

201103140 is an abundant number, since it is smaller than the sum of its proper divisors (459870684).

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

201103140 is a wasteful number, since it uses less digits than its factorization.

201103140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12997 (or 12995 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201103140 is about 14181.0838795912. The cubic root of 201103140 is about 585.8767771597.

Adding to 201103140 its reverse (41301102), we get a palindrome (242404242).

The spelling of 201103140 in words is "two hundred one million, one hundred three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 60 70 74 84 105 111 140 148 185 210 222 259 370 420 444 518 555 740 777 1036 1110 1295 1554 2220 2590 3108 3885 5180 7770 12941 15540 25882 38823 51764 64705 77646 90587 129410 155292 181174 194115 258820 271761 362348 388230 452935 478817 543522 776460 905870 957634 1087044 1358805 1436451 1811740 1915268 2394085 2717610 2872902 3351719 4788170 5435220 5745804 6703438 7182255 9576340 10055157 13406876 14364510 16758595 20110314 28729020 33517190 40220628 50275785 67034380 100551570 201103140