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16811130 = 2357172277
BaseRepresentation
bin100000000100…
…0010001111010
31011122002112110
41000020101322
513300424010
61400153150
7262615020
oct100102172
934562473
1016811130
1195424a6
1257687b6
133637b1b
142338710
151721120
hex100847a

16811130 has 96 divisors (see below), whose sum is σ = 49159296. Its totient is φ = 3603456.

The previous prime is 16811129. The next prime is 16811131. The reversal of 16811130 is 3111861.

It is an interprime number because it is at equal distance from previous prime (16811129) and next prime (16811131).

It is a super-2 number, since 2×168111302 = 565228183753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16811097 and 16811106.

It is not an unprimeable number, because it can be changed into a prime (16811131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60552 + ... + 60828.

It is an arithmetic number, because the mean of its divisors is an integer number (512076).

Almost surely, 216811130 is an apocalyptic number.

16811130 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 16811130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24579648).

16811130 is an abundant number, since it is smaller than the sum of its proper divisors (32348166).

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

16811130 is a wasteful number, since it uses less digits than its factorization.

16811130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 16811130 is about 4100.1378025623. The cubic root of 16811130 is about 256.1723794251.

Adding to 16811130 its reverse (3111861), we get a palindrome (19922991).

The spelling of 16811130 in words is "sixteen million, eight hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 277 289 357 510 554 578 595 714 831 867 1190 1385 1445 1662 1734 1785 1939 2023 2770 2890 3570 3878 4046 4155 4335 4709 5817 6069 8310 8670 9418 9695 10115 11634 12138 14127 19390 20230 23545 28254 29085 30345 32963 47090 58170 60690 65926 70635 80053 98889 141270 160106 164815 197778 240159 329630 400265 480318 494445 560371 800530 988890 1120742 1200795 1681113 2401590 2801855 3362226 5603710 8405565 16811130