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30130200 = 23325219881
BaseRepresentation
bin111001011110…
…0000000011000
32002200202212100
41302330000120
530203131300
62553443400
7514050102
oct162740030
962622770
1030130200
111600a2a1
12a110560
13631c329
144004572
1529a2700
hex1cbc018

30130200 has 144 divisors (see below), whose sum is σ = 106633800. Its totient is φ = 7603200.

The previous prime is 30130193. The next prime is 30130201. The reversal of 30130200 is 203103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33760 + ... + 34640.

Almost surely, 230130200 is an apocalyptic number.

30130200 is a gapful number since it is divisible by the number (30) 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 30130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53316900).

30130200 is an abundant number, since it is smaller than the sum of its proper divisors (76503600).

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

30130200 is a wasteful number, since it uses less digits than its factorization.

30130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30130200 is about 5489.0982866041. The cubic root of 30130200 is about 311.1721148326.

Adding to 30130200 its reverse (203103), we get a palindrome (30333303).

The spelling of 30130200 in words is "thirty million, one hundred thirty thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 25 30 36 38 40 45 50 57 60 72 75 76 90 95 100 114 120 150 152 171 180 190 200 225 228 285 300 342 360 380 450 456 475 570 600 684 760 855 881 900 950 1140 1368 1425 1710 1762 1800 1900 2280 2643 2850 3420 3524 3800 4275 4405 5286 5700 6840 7048 7929 8550 8810 10572 11400 13215 15858 16739 17100 17620 21144 22025 26430 31716 33478 34200 35240 39645 44050 50217 52860 63432 66075 66956 79290 83695 88100 100434 105720 132150 133912 150651 158580 167390 176200 198225 200868 251085 264300 301302 317160 334780 396450 401736 418475 502170 528600 602604 669560 753255 792900 836950 1004340 1205208 1255425 1506510 1585800 1673900 2008680 2510850 3013020 3347800 3766275 5021700 6026040 7532550 10043400 15065100 30130200