Search a number
-
+
2747161 is a prime number
BaseRepresentation
bin1010011110101100011001
312011120101201
422132230121
51200402121
6134514201
732231134
oct12365431
95146351
102747161
111606a8a
12b05961
13752551
1451721b
15393e91
hex29eb19

2747161 has 2 divisors, whose sum is σ = 2747162. Its totient is φ = 2747160.

The previous prime is 2747131. The next prime is 2747177. The reversal of 2747161 is 1617472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 571536 = 1475^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 2747161 - 27 = 2747033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2747111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373580 + 1373581.

It is an arithmetic number, because the mean of its divisors is an integer number (1373581).

22747161 is an apocalyptic number.

It is an amenable number.

2747161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2747161 is an equidigital number, since it uses as much as digits as its factorization.

2747161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 2747161 is about 1657.4561834329. The cubic root of 2747161 is about 140.0537378739.

The spelling of 2747161 in words is "two million, seven hundred forty-seven thousand, one hundred sixty-one".