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3145049 is a prime number
BaseRepresentation
bin1011111111110101011001
312220210012022
423333311121
51301120144
6151224225
735506145
oct13776531
95823168
103145049
111858a16
121078075
1386169b
145bc225
15421cee
hex2ffd59

3145049 has 2 divisors, whose sum is σ = 3145050. Its totient is φ = 3145048.

The previous prime is 3145027. The next prime is 3145057. The reversal of 3145049 is 9405413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 990025 = 1468^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145049 - 28 = 3144793 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572524 + 1572525.

It is an arithmetic number, because the mean of its divisors is an integer number (1572525).

Almost surely, 23145049 is an apocalyptic number.

It is an amenable number.

3145049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145049 is an equidigital number, since it uses as much as digits as its factorization.

3145049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3145049 is about 1773.4286001979. The cubic root of 3145049 is about 146.5128800116.

The spelling of 3145049 in words is "three million, one hundred forty-five thousand, forty-nine".