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130469489 is a prime number
BaseRepresentation
bin1111100011011…
…00111001110001
3100002111112111022
413301230321301
5231400010424
620540225225
73142654343
oct761547161
9302445438
10130469489
1167712727
123783b215
13210513a7
1413483293
15b6c295e
hex7c6ce71

130469489 has 2 divisors, whose sum is σ = 130469490. Its totient is φ = 130469488.

The previous prime is 130469467. The next prime is 130469497. The reversal of 130469489 is 984964031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115777600 + 14691889 = 10760^2 + 3833^2 .

It is a cyclic number.

It is not a de Polignac number, because 130469489 - 224 = 113692273 is a prime.

It is a super-2 number, since 2×1304694892 = 34044575119842242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130469429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65234744 + 65234745.

It is an arithmetic number, because the mean of its divisors is an integer number (65234745).

Almost surely, 2130469489 is an apocalyptic number.

It is an amenable number.

130469489 is a deficient number, since it is larger than the sum of its proper divisors (1).

130469489 is an equidigital number, since it uses as much as digits as its factorization.

130469489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 130469489 is about 11422.3241505396. The cubic root of 130469489 is about 507.1887989931.

The spelling of 130469489 in words is "one hundred thirty million, four hundred sixty-nine thousand, four hundred eighty-nine".