Search a number
-
+
29108269 is a prime number
BaseRepresentation
bin110111100001…
…0100000101101
32000202212001001
41233002200231
524422431034
62515520301
7502262521
oct157024055
960685031
1029108269
1115481523
1298b9091
136052138
143c19d81
15284ea14
hex1bc282d

29108269 has 2 divisors, whose sum is σ = 29108270. Its totient is φ = 29108268.

The previous prime is 29108249. The next prime is 29108279. The reversal of 29108269 is 96280192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 56169 = 5390^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29108269 is a prime.

It is a super-2 number, since 2×291082692 = 1694582648352722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29108249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554134 + 14554135.

It is an arithmetic number, because the mean of its divisors is an integer number (14554135).

Almost surely, 229108269 is an apocalyptic number.

It is an amenable number.

29108269 is a deficient number, since it is larger than the sum of its proper divisors (1).

29108269 is an equidigital number, since it uses as much as digits as its factorization.

29108269 is an evil number, because the sum of its binary digits is even.

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

The square root of 29108269 is about 5395.2079663346. The cubic root of 29108269 is about 307.6135487411.

The spelling of 29108269 in words is "twenty-nine million, one hundred eight thousand, two hundred sixty-nine".