Search a number
-
+
2108874229 = 711295916007
BaseRepresentation
bin111110110110010…
…1101110111110101
312102222012220120221
41331230231313311
513304332433404
6545132254341
7103155064240
oct17554556765
95388186527
102108874229
1199244a470
124aa3113b1
13277ba7197
1416011a257
15c521b954
hex7db2ddf5

2108874229 has 32 divisors (see below), whose sum is σ = 2766182400. Its totient is φ = 1559624640.

The previous prime is 2108874227. The next prime is 2108874233. The reversal of 2108874229 is 9224788012.

It is not a de Polignac number, because 2108874229 - 21 = 2108874227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108874227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123744 + ... + 139750.

It is an arithmetic number, because the mean of its divisors is an integer number (86443200).

Almost surely, 22108874229 is an apocalyptic number.

2108874229 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2108874229 is a deficient number, since it is larger than the sum of its proper divisors (657308171).

2108874229 is a wasteful number, since it uses less digits than its factorization.

2108874229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16113.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 2108874229 is about 45922.4806494597. The cubic root of 2108874229 is about 1282.3804638135.

The spelling of 2108874229 in words is "two billion, one hundred eight million, eight hundred seventy-four thousand, two hundred twenty-nine".

Divisors: 1 7 11 29 59 77 203 319 413 649 1711 2233 4543 11977 16007 18821 112049 131747 176077 464203 944413 1232539 3249421 5106233 6610891 10388543 27387977 35743631 72719801 191715839 301267747 2108874229