Search a number
-
+
134143230 = 235131943421
BaseRepresentation
bin1111111111011…
…01110011111110
3100100102011220210
413333231303332
5233320040410
621151053250
73216125064
oct777556376
9310364823
10134143230
11697a1881
1238b11226
1321a395c0
1413b5c034
15bb9b220
hex7fedcfe

134143230 has 128 divisors (see below), whose sum is σ = 374330880. Its totient is φ = 30481920.

The previous prime is 134143223. The next prime is 134143253. The reversal of 134143230 is 32341431.

It is a junction number, because it is equal to n+sod(n) for n = 134143197 and 134143206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 318420 + ... + 318840.

It is an arithmetic number, because the mean of its divisors is an integer number (2924460).

Almost surely, 2134143230 is an apocalyptic number.

134143230 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 134143230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187165440).

134143230 is an abundant number, since it is smaller than the sum of its proper divisors (240187650).

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

134143230 is a wasteful number, since it uses less digits than its factorization.

134143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 134143230 is about 11582.0218442205. The cubic root of 134143230 is about 511.9052533624.

Adding to 134143230 its reverse (32341431), we get a palindrome (166484661).

The spelling of 134143230 in words is "one hundred thirty-four million, one hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 19 26 30 38 39 43 57 65 78 86 95 114 129 130 190 195 215 247 258 285 390 421 430 494 559 570 645 741 817 842 1118 1235 1263 1290 1482 1634 1677 2105 2451 2470 2526 2795 3354 3705 4085 4210 4902 5473 5590 6315 7410 7999 8170 8385 10621 10946 12255 12630 15998 16419 16770 18103 21242 23997 24510 27365 31863 32838 36206 39995 47994 53105 54309 54730 63726 79990 82095 90515 103987 106210 108618 119985 159315 164190 181030 207974 235339 239970 271545 311961 318630 343957 470678 519935 543090 623922 687914 706017 1031871 1039870 1176695 1412034 1559805 1719785 2063742 2353390 3119610 3439570 3530085 4471441 5159355 7060170 8942882 10318710 13414323 22357205 26828646 44714410 67071615 134143230