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130190400 = 2632529041
BaseRepresentation
bin1111100001010…
…00110001000000
3100001222100122200
413300220301000
5231312043100
620530233200
73140412564
oct760506100
9301870580
10130190400
1167541a7a
1237725800
1320c84352
141340d6a4
15b669e00
hex7c28c40

130190400 has 126 divisors (see below), whose sum is σ = 462778602. Its totient is φ = 34713600.

The previous prime is 130190387. The next prime is 130190407. The reversal of 130190400 is 4091031.

It can be written as a sum of positive squares in 3 ways, for example, as 41679936 + 88510464 = 6456^2 + 9408^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130190407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9880 + ... + 18920.

Almost surely, 2130190400 is an apocalyptic number.

130190400 is a gapful number since it is divisible by the number (10) 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 130190400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231389301).

130190400 is an abundant number, since it is smaller than the sum of its proper divisors (332588202).

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

130190400 is a wasteful number, since it uses less digits than its factorization.

130190400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9069 (or 9051 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 130190400 is about 11410.1007883366. The cubic root of 130190400 is about 506.8268960762.

The spelling of 130190400 in words is "one hundred thirty million, one hundred ninety thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1200 1440 1600 1800 2400 2880 3600 4800 7200 9041 14400 18082 27123 36164 45205 54246 72328 81369 90410 108492 135615 144656 162738 180820 216984 226025 271230 289312 325476 361640 406845 433968 452050 542460 578624 650952 678075 723280 813690 867936 904100 1084920 1301904 1356150 1446560 1627380 1735872 1808200 2034225 2169840 2603808 2712300 2893120 3254760 3616400 4068450 4339680 5207616 5424600 6509520 7232800 8136900 8679360 10849200 13019040 14465600 16273800 21698400 26038080 32547600 43396800 65095200 130190400