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16143030 = 2335173517
BaseRepresentation
bin111101100101…
…001010110110
31010101011002000
4331211022312
513113034110
61334000130
7254133141
oct75451266
933334060
1016143030
119126552
1254a6046
1334629b7
142203058
15163d1c0
hexf652b6

16143030 has 64 divisors (see below), whose sum is σ = 45593280. Its totient is φ = 4050432.

The previous prime is 16143019. The next prime is 16143041. The reversal of 16143030 is 3034161.

It is an interprime number because it is at equal distance from previous prime (16143019) and next prime (16143041).

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16142994 and 16143012.

It is a congruent number.

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, 2832 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (712395).

Almost surely, 216143030 is an apocalyptic number.

16143030 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 16143030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22796640).

16143030 is an abundant number, since it is smaller than the sum of its proper divisors (29450250).

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

16143030 is a wasteful number, since it uses less digits than its factorization.

16143030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 16143030 is about 4017.8389713875. The cubic root of 16143030 is about 252.7328440662.

Adding to 16143030 its reverse (3034161), we get a palindrome (19177191).

The spelling of 16143030 in words is "sixteen million, one hundred forty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 3517 4590 7034 10551 17585 21102 31653 35170 52755 59789 63306 94959 105510 119578 158265 179367 189918 298945 316530 358734 474795 538101 597890 896835 949590 1076202 1614303 1793670 2690505 3228606 5381010 8071515 16143030