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130975297 = 409431743
BaseRepresentation
bin1111100111010…
…00011001000001
3100010110020022221
413303220121001
5232012202142
620555131041
73150162115
oct763503101
9303406287
10130975297
1167a28752
1237a43a81
132119a69b
1413575745
15b772767
hex7ce8641

130975297 has 8 divisors (see below), whose sum is σ = 131777280. Its totient is φ = 130176480.

The previous prime is 130975289. The next prime is 130975309. The reversal of 130975297 is 792579031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130975297 - 23 = 130975289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130975237) 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 7 ways as a sum of consecutive naturals, for example, 175908 + ... + 176650.

It is an arithmetic number, because the mean of its divisors is an integer number (16472160).

Almost surely, 2130975297 is an apocalyptic number.

It is an amenable number.

130975297 is a deficient number, since it is larger than the sum of its proper divisors (801983).

130975297 is an equidigital number, since it uses as much as digits as its factorization.

130975297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 130975297 is about 11444.4439358144. The cubic root of 130975297 is about 507.8433820310.

The spelling of 130975297 in words is "one hundred thirty million, nine hundred seventy-five thousand, two hundred ninety-seven".

Divisors: 1 409 431 743 176279 303887 320233 130975297