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130043800 = 23524115859
BaseRepresentation
bin1111100000001…
…00111110011000
3100001200220120001
413300010332120
5231242400200
620523142344
73136232305
oct760047630
9301626501
10130043800
1167451917
12376749b4
1320c326c3
14133b20ac
15b63b76a
hex7c04f98

130043800 has 48 divisors (see below), whose sum is σ = 309745800. Its totient is φ = 50745600.

The previous prime is 130043777. The next prime is 130043803. The reversal of 130043800 is 8340031.

It is a super-2 number, since 2×1300438002 = 33822779836880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130043803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271 + ... + 16129.

Almost surely, 2130043800 is an apocalyptic number.

130043800 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 130043800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154872900).

130043800 is an abundant number, since it is smaller than the sum of its proper divisors (179702000).

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

130043800 is a wasteful number, since it uses less digits than its factorization.

130043800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916 (or 15907 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 130043800 is about 11403.6748462941. The cubic root of 130043800 is about 506.6365883191.

Adding to 130043800 its reverse (8340031), we get a palindrome (138383831).

The spelling of 130043800 in words is "one hundred thirty million, forty-three thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 15859 31718 63436 79295 126872 158590 317180 396475 634360 650219 792950 1300438 1585900 2600876 3171800 3251095 5201752 6502190 13004380 16255475 26008760 32510950 65021900 130043800