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130043360 = 2554717293
BaseRepresentation
bin1111100000001…
…00110111100000
3100001200212221202
413300010313200
5231242341420
620523140332
73136231106
oct760046740
9301625852
10130043360
1167451557
12376746a8
1320c32445
14133b1c76
15b63b575
hex7c04de0

130043360 has 48 divisors (see below), whose sum is σ = 313782336. Its totient is φ = 50907648.

The previous prime is 130043339. The next prime is 130043363. The reversal of 130043360 is 63340031.

It is a super-2 number, since 2×1300433602 = 33822550960179200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130043363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 16166.

It is an arithmetic number, because the mean of its divisors is an integer number (6537132).

Almost surely, 2130043360 is an apocalyptic number.

130043360 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 130043360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156891168).

130043360 is an abundant number, since it is smaller than the sum of its proper divisors (183738976).

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

130043360 is a wasteful number, since it uses less digits than its factorization.

130043360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17355 (or 17347 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 130043360 is about 11403.6555542510. The cubic root of 130043360 is about 506.6360169210.

Adding to 130043360 its reverse (63340031), we get a palindrome (193383391).

The spelling of 130043360 in words is "one hundred thirty million, forty-three thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 470 752 940 1504 1880 3760 7520 17293 34586 69172 86465 138344 172930 276688 345860 553376 691720 812771 1383440 1625542 2766880 3251084 4063855 6502168 8127710 13004336 16255420 26008672 32510840 65021680 130043360