[go: up one dir, main page]

Search a number
-
+
29905087 is a prime number
BaseRepresentation
bin111001000010…
…1000010111111
32002021100001211
41302011002333
530123430322
62544545251
7512121562
oct162050277
962240054
1029905087
1115976153
12a022227
136270a24
143d864d9
15295ab77
hex1c850bf

29905087 has 2 divisors, whose sum is σ = 29905088. Its totient is φ = 29905086.

The previous prime is 29905039. The next prime is 29905093. The reversal of 29905087 is 78050992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29905087 - 215 = 29872319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29905787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14952543 + 14952544.

It is an arithmetic number, because the mean of its divisors is an integer number (14952544).

Almost surely, 229905087 is an apocalyptic number.

29905087 is a deficient number, since it is larger than the sum of its proper divisors (1).

29905087 is an equidigital number, since it uses as much as digits as its factorization.

29905087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 29905087 is about 5468.5543793584. The cubic root of 29905087 is about 310.3952191258.

The spelling of 29905087 in words is "twenty-nine million, nine hundred five thousand, eighty-seven".