Search a number
-
+
29109 = 331313
BaseRepresentation
bin111000110110101
31110221010
413012311
51412414
6342433
7150603
oct70665
943833
1029109
111a963
1214a19
1310332
14a873
158959
hex71b5

29109 has 8 divisors (see below), whose sum is σ = 40192. Its totient is φ = 18720.

The previous prime is 29101. The next prime is 29123. The reversal of 29109 is 90192.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29109 - 23 = 29101 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29109.

It is not an unprimeable number, because it can be changed into a prime (29101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 249.

It is an arithmetic number, because the mean of its divisors is an integer number (5024).

229109 is an apocalyptic number.

It is an amenable number.

29109 is a deficient number, since it is larger than the sum of its proper divisors (11083).

29109 is a wasteful number, since it uses less digits than its factorization.

29109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 29109 is about 170.6135985202. The cubic root of 29109 is about 30.7616123767.

The spelling of 29109 in words is "twenty-nine thousand, one hundred nine".

Divisors: 1 3 31 93 313 939 9703 29109