Search a number
-
+
2289169 = 172892
BaseRepresentation
bin1000101110111000010001
311022022011001
420232320101
51041223134
6121022001
725312651
oct10567021
94268131
102289169
111323983
12924901
13621c4c
14438361
15303414
hex22ee11

2289169 has 9 divisors (see below), whose sum is σ = 2459377. Its totient is φ = 2130304.

The previous prime is 2289163. The next prime is 2289179. The reversal of 2289169 is 9619822.

The square root of 2289169 is 1513.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3025 + 2286144 = 55^2 + 1512^2 .

It is not a de Polignac number, because 2289169 - 211 = 2287121 is a prime.

It is a super-2 number, since 2×22891692 = 10480589421122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2289163) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25677 + ... + 25765.

22289169 is an apocalyptic number.

2289169 is the 1513-rd square number.

2289169 is the 757-th centered octagonal number.

It is an amenable number.

2289169 is a deficient number, since it is larger than the sum of its proper divisors (170208).

2289169 is an frugal number, since it uses more digits than its factorization.

2289169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 106 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The cubic root of 2289169 is about 131.7930833777.

The spelling of 2289169 in words is "two million, two hundred eighty-nine thousand, one hundred sixty-nine".

Divisors: 1 17 89 289 1513 7921 25721 134657 2289169