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57485173 is a prime number
BaseRepresentation
bin1101101101001…
…0011101110101
311000011112211111
43123102131311
5104204011143
65412035021
71265421154
oct333223565
9130145744
1057485173
112a4a3509
1217302a71
13bba93c5
1478c559b
1550a799d
hex36d2775

57485173 has 2 divisors, whose sum is σ = 57485174. Its totient is φ = 57485172.

The previous prime is 57485147. The next prime is 57485201. The reversal of 57485173 is 37158475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32012964 + 25472209 = 5658^2 + 5047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57485173 is a prime.

It is a super-2 number, since 2×574851732 = 6609090229679858, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57480173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742586 + 28742587.

It is an arithmetic number, because the mean of its divisors is an integer number (28742587).

Almost surely, 257485173 is an apocalyptic number.

It is an amenable number.

57485173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485173 is an equidigital number, since it uses as much as digits as its factorization.

57485173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The square root of 57485173 is about 7581.8977175902. The cubic root of 57485173 is about 385.9389529130.

The spelling of 57485173 in words is "fifty-seven million, four hundred eighty-five thousand, one hundred seventy-three".