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57630229 is a prime number
BaseRepresentation
bin1101101111010…
…1111000010101
311000102220210221
43123311320111
5104223131404
65415114341
71266564106
oct333657025
9130386727
1057630229
112a592498
12173729b1
13bc2a437
1479223ad
1550d5954
hex36f5e15

57630229 has 2 divisors, whose sum is σ = 57630230. Its totient is φ = 57630228.

The previous prime is 57630227. The next prime is 57630233. The reversal of 57630229 is 92203675.

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., 31640625 + 25989604 = 5625^2 + 5098^2 .

It is a cyclic number.

It is not a de Polignac number, because 57630229 - 21 = 57630227 is a prime.

Together with 57630227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 57630194 and 57630203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57630227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28815114 + 28815115.

It is an arithmetic number, because the mean of its divisors is an integer number (28815115).

Almost surely, 257630229 is an apocalyptic number.

It is an amenable number.

57630229 is a deficient number, since it is larger than the sum of its proper divisors (1).

57630229 is an equidigital number, since it uses as much as digits as its factorization.

57630229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 57630229 is about 7591.4576334193. The cubic root of 57630229 is about 386.2633016998.

The spelling of 57630229 in words is "fifty-seven million, six hundred thirty thousand, two hundred twenty-nine".