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130447897 is a prime number
BaseRepresentation
bin1111100011001…
…11101000011001
3100002110102212121
413301213220121
5231343313042
620535541241
73142534366
oct761475031
9302412777
10130447897
11676a8488
123782a821
1321044608
141347946d
15b6bb367
hex7c67a19

130447897 has 2 divisors, whose sum is σ = 130447898. Its totient is φ = 130447896.

The previous prime is 130447871. The next prime is 130447909. The reversal of 130447897 is 798744031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124077321 + 6370576 = 11139^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 130447897 - 27 = 130447769 is a prime.

It is not a weakly prime, because it can be changed into another prime (130447397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65223948 + 65223949.

It is an arithmetic number, because the mean of its divisors is an integer number (65223949).

Almost surely, 2130447897 is an apocalyptic number.

It is an amenable number.

130447897 is a deficient number, since it is larger than the sum of its proper divisors (1).

130447897 is an equidigital number, since it uses as much as digits as its factorization.

130447897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 130447897 is about 11421.3789447684. The cubic root of 130447897 is about 507.1608184417.

The spelling of 130447897 in words is "one hundred thirty million, four hundred forty-seven thousand, eight hundred ninety-seven".