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130457 is a prime number
BaseRepresentation
bin11111110110011001
320121221202
4133312121
513133312
62443545
71052225
oct376631
9217852
10130457
118a018
12635b5
13474c2
1435785
15289c2
hex1fd99

130457 has 2 divisors, whose sum is σ = 130458. Its totient is φ = 130456.

The previous prime is 130447. The next prime is 130469. The reversal of 130457 is 754031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126736 + 3721 = 356^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 130457 - 28 = 130201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65228 + 65229.

It is an arithmetic number, because the mean of its divisors is an integer number (65229).

2130457 is an apocalyptic number.

It is an amenable number.

130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

130457 is an equidigital number, since it uses as much as digits as its factorization.

130457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 130457 is about 361.1883165331. The cubic root of 130457 is about 50.7172615176.

Adding to 130457 its reverse (754031), we get a palindrome (884488).

The spelling of 130457 in words is "one hundred thirty thousand, four hundred fifty-seven".