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57229141 is a prime number
BaseRepresentation
bin1101101001001…
…1111101010101
310222200112121211
43122103331111
5104122313031
65402341421
71263303544
oct332237525
9128615554
1057229141
112a339112
12171ba871
13bb199c8
14785a15b
155056bb1
hex3693f55

57229141 has 2 divisors, whose sum is σ = 57229142. Its totient is φ = 57229140.

The previous prime is 57229111. The next prime is 57229181. The reversal of 57229141 is 14192275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30758116 + 26471025 = 5546^2 + 5145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57229141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57229111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28614570 + 28614571.

It is an arithmetic number, because the mean of its divisors is an integer number (28614571).

Almost surely, 257229141 is an apocalyptic number.

It is an amenable number.

57229141 is a deficient number, since it is larger than the sum of its proper divisors (1).

57229141 is an equidigital number, since it uses as much as digits as its factorization.

57229141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 57229141 is about 7564.9944481143. The cubic root of 57229141 is about 385.3651250262.

The spelling of 57229141 in words is "fifty-seven million, two hundred twenty-nine thousand, one hundred forty-one".