Search a number
-
+
3155057 is a prime number
BaseRepresentation
bin1100000010010001110001
312221021220222
430002101301
51301430212
6151342425
735550263
oct14022161
95837828
103155057
111865494
121081a15
138660c9
145c1b33
15424c72
hex302471

3155057 has 2 divisors, whose sum is σ = 3155058. Its totient is φ = 3155056.

The previous prime is 3155051. The next prime is 3155069. The reversal of 3155057 is 7505513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 817216 = 1529^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 3155057 - 24 = 3155041 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 (3155051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577528 + 1577529.

It is an arithmetic number, because the mean of its divisors is an integer number (1577529).

Almost surely, 23155057 is an apocalyptic number.

It is an amenable number.

3155057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3155057 is an equidigital number, since it uses as much as digits as its factorization.

3155057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 3155057 is about 1776.2480119623. The cubic root of 3155057 is about 146.6681238377.

The spelling of 3155057 in words is "three million, one hundred fifty-five thousand, fifty-seven".