Search a number
-
+
29892117 = 3671271171
BaseRepresentation
bin111001000000…
…1111000010101
32002020200021110
41302001320111
530123021432
62544405233
7512036013
oct162017025
962220243
1029892117
1115967432
12a016819
136267b58
143d818b3
152956dcc
hex1c81e15

29892117 has 16 divisors (see below), whose sum is σ = 40804352. Its totient is φ = 19459440.

The previous prime is 29892097. The next prime is 29892131. The reversal of 29892117 is 71129892.

It is not a de Polignac number, because 29892117 - 210 = 29891093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29892197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24942 + ... + 26112.

It is an arithmetic number, because the mean of its divisors is an integer number (2550272).

Almost surely, 229892117 is an apocalyptic number.

It is an amenable number.

29892117 is a deficient number, since it is larger than the sum of its proper divisors (10912235).

29892117 is a wasteful number, since it uses less digits than its factorization.

29892117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 18144, while the sum is 39.

The square root of 29892117 is about 5467.3683797600. The cubic root of 29892117 is about 310.3503392682.

The spelling of 29892117 in words is "twenty-nine million, eight hundred ninety-two thousand, one hundred seventeen".

Divisors: 1 3 67 127 201 381 1171 3513 8509 25527 78457 148717 235371 446151 9964039 29892117