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130297949 is a prime number
BaseRepresentation
bin1111100010000…
…11000001011101
3100002011211011222
413301003001131
5231324013244
620532423125
73141341255
oct761030135
9302154158
10130297949
1167605861
1237777aa5
1320cc12a2
141343a965
15b68bbee
hex7c4305d

130297949 has 2 divisors, whose sum is σ = 130297950. Its totient is φ = 130297948.

The previous prime is 130297933. The next prime is 130297963. The reversal of 130297949 is 949792031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 8305924 = 11045^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 130297949 - 24 = 130297933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130297969) 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 as a sum of consecutive naturals, namely, 65148974 + 65148975.

It is an arithmetic number, because the mean of its divisors is an integer number (65148975).

Almost surely, 2130297949 is an apocalyptic number.

It is an amenable number.

130297949 is a deficient number, since it is larger than the sum of its proper divisors (1).

130297949 is an equidigital number, since it uses as much as digits as its factorization.

130297949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 130297949 is about 11414.8127010477. The cubic root of 130297949 is about 506.9664192234.

The spelling of 130297949 in words is "one hundred thirty million, two hundred ninety-seven thousand, nine hundred forty-nine".