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57130133 is a prime number
BaseRepresentation
bin1101100111101…
…1110010010101
310222111111210212
43121323302111
5104111131013
65400255205
71262412104
oct331736225
9128444725
1057130133
112a280795
1217171505
13bab3918
14783203b
1550376a8
hex367bc95

57130133 has 2 divisors, whose sum is σ = 57130134. Its totient is φ = 57130132.

The previous prime is 57130103. The next prime is 57130153. The reversal of 57130133 is 33103175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51940849 + 5189284 = 7207^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 57130133 - 210 = 57129109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57130099 and 57130108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57130103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28565066 + 28565067.

It is an arithmetic number, because the mean of its divisors is an integer number (28565067).

Almost surely, 257130133 is an apocalyptic number.

It is an amenable number.

57130133 is a deficient number, since it is larger than the sum of its proper divisors (1).

57130133 is an equidigital number, since it uses as much as digits as its factorization.

57130133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 57130133 is about 7558.4477903866. The cubic root of 57130133 is about 385.1427659656.

The spelling of 57130133 in words is "fifty-seven million, one hundred thirty thousand, one hundred thirty-three".