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130343760 = 243251723463
BaseRepresentation
bin1111100010011…
…10001101010000
3100002021011000200
413301032031100
5231332000020
620533415200
73141621651
oct761161520
9302234020
10130343760
1167637218
123779a500
13210090b1
141344d528
15b69a590
hex7c4e350

130343760 has 240 divisors, whose sum is σ = 484683264. Its totient is φ = 31223808.

The previous prime is 130343753. The next prime is 130343761. The reversal of 130343760 is 67343031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130343761) 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 47 ways as a sum of consecutive naturals, for example, 281289 + ... + 281751.

Almost surely, 2130343760 is an apocalyptic number.

130343760 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 130343760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242341632).

130343760 is an abundant number, since it is smaller than the sum of its proper divisors (354339504).

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

130343760 is a wasteful number, since it uses less digits than its factorization.

130343760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 130343760 is about 11416.8191717308. The cubic root of 130343760 is about 507.0258264449.

Adding to 130343760 its reverse (67343031), we get a palindrome (197686791).

The spelling of 130343760 in words is "one hundred thirty million, three hundred forty-three thousand, seven hundred sixty".