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130243050 = 232527173239
BaseRepresentation
bin1111100001101…
…01100111101010
3100002002000212200
413300311213222
5231320234200
620531321030
73141022230
oct760654752
9302060780
10130243050
1167578593
1237750176
1320ca22c2
1413424950
15b67a800
hex7c359ea

130243050 has 144 divisors (see below), whose sum is σ = 403902720. Its totient is φ = 29473920.

The previous prime is 130243027. The next prime is 130243051. The reversal of 130243050 is 50342031.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130243051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 544831 + ... + 545069.

It is an arithmetic number, because the mean of its divisors is an integer number (2804880).

Almost surely, 2130243050 is an apocalyptic number.

130243050 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 130243050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201951360).

130243050 is an abundant number, since it is smaller than the sum of its proper divisors (273659670).

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

130243050 is a wasteful number, since it uses less digits than its factorization.

130243050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130243050 is about 11412.4077214232. The cubic root of 130243050 is about 506.8952084345.

Adding to 130243050 its reverse (50342031), we get a palindrome (180585081).

The spelling of 130243050 in words is "one hundred thirty million, two hundred forty-three thousand, fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 173 175 210 225 239 315 346 350 450 478 519 525 630 717 865 1038 1050 1195 1211 1434 1557 1575 1673 1730 2151 2390 2422 2595 3114 3150 3346 3585 3633 4302 4325 5019 5190 5975 6055 7170 7266 7785 8365 8650 10038 10755 10899 11950 12110 12975 15057 15570 16730 17925 18165 21510 21798 25095 25950 30114 30275 35850 36330 38925 41347 41825 50190 53775 54495 60550 75285 77850 82694 83650 90825 107550 108990 124041 125475 150570 181650 206735 248082 250950 272475 289429 372123 376425 413470 544950 578858 620205 744246 752850 868287 1033675 1240410 1447145 1736574 1860615 2067350 2604861 2894290 3101025 3721230 4341435 5209722 6202050 7235725 8682870 9303075 13024305 14471450 18606150 21707175 26048610 43414350 65121525 130243050