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130215320 = 23513732371
BaseRepresentation
bin1111100001011…
…10110110011000
3100002000121211122
413300232312120
5231313342240
620530544412
73140545334
oct760566630
9302017748
10130215320
1167559774
1237738108
1320c927b1
14134187c4
15b6724b5
hex7c2ed98

130215320 has 32 divisors (see below), whose sum is σ = 293321520. Its totient is φ = 52026240.

The previous prime is 130215311. The next prime is 130215343. The reversal of 130215320 is 23512031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53735 + ... + 56105.

Almost surely, 2130215320 is an apocalyptic number.

130215320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130215320 is an abundant number, since it is smaller than the sum of its proper divisors (163106200).

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

130215320 is a wasteful number, since it uses less digits than its factorization.

130215320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755 (or 3751 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130215320 is about 11411.1927509792. The cubic root of 130215320 is about 506.8592315901.

Adding to 130215320 its reverse (23512031), we get a palindrome (153727351).

The spelling of 130215320 in words is "one hundred thirty million, two hundred fifteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1373 2371 2746 4742 5492 6865 9484 10984 11855 13730 18968 23710 27460 47420 54920 94840 3255383 6510766 13021532 16276915 26043064 32553830 65107660 130215320