Search a number
-
+
229291107 = 31919121061
BaseRepresentation
bin11011010101010…
…11010001100011
3120222110012021020
431222223101203
5432144303412
634430300523
75452641123
oct1552532143
9528405236
10229291107
11108479891
1264957743
1338671716
1422648c83
15151e318c
hexdaab463

229291107 has 16 divisors (see below), whose sum is σ = 323512320. Its totient is φ = 144050400.

The previous prime is 229291063. The next prime is 229291123. The reversal of 229291107 is 701192922.

It is not a de Polignac number, because 229291107 - 26 = 229291043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229291157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357 + ... + 21417.

It is an arithmetic number, because the mean of its divisors is an integer number (20219520).

Almost surely, 2229291107 is an apocalyptic number.

229291107 is a deficient number, since it is larger than the sum of its proper divisors (94221213).

229291107 is a wasteful number, since it uses less digits than its factorization.

229291107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21274.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 229291107 is about 15142.3613416138. The cubic root of 229291107 is about 612.0624509084.

The spelling of 229291107 in words is "two hundred twenty-nine million, two hundred ninety-one thousand, one hundred seven".

Divisors: 1 3 19 57 191 573 3629 10887 21061 63183 400159 1200477 4022651 12067953 76430369 229291107