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3128057 is a prime number
BaseRepresentation
bin1011111011101011111001
312212220212222
423323223321
51300044212
6151013425
735405462
oct13735371
95786788
103128057
111847179
12106a275
13856a2a
145b5d69
1541bc72
hex2fbaf9

3128057 has 2 divisors, whose sum is σ = 3128058. Its totient is φ = 3128056.

The previous prime is 3128053. The next prime is 3128101. The reversal of 3128057 is 7508213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3083536 + 44521 = 1756^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 3128057 - 22 = 3128053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3128053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564028 + 1564029.

It is an arithmetic number, because the mean of its divisors is an integer number (1564029).

Almost surely, 23128057 is an apocalyptic number.

It is an amenable number.

3128057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128057 is an equidigital number, since it uses as much as digits as its factorization.

3128057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3128057 is about 1768.6313917829. The cubic root of 3128057 is about 146.2485445590.

The spelling of 3128057 in words is "three million, one hundred twenty-eight thousand, fifty-seven".