Search a number
-
+
29417917 = 31792801
BaseRepresentation
bin111000000111…
…0000110111101
32001100120210111
41300032012331
530012333132
62530310021
7505022344
oct160160675
961316714
1029417917
1115673131
129a28311
136130069
143c9ab5b
1528b1647
hex1c0e1bd

29417917 has 4 divisors (see below), whose sum is σ = 29511036. Its totient is φ = 29324800.

The previous prime is 29417903. The next prime is 29417929. The reversal of 29417917 is 71971492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10850436 + 18567481 = 3294^2 + 4309^2 .

It is a cyclic number.

It is not a de Polignac number, because 29417917 - 219 = 28893629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29417917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29417987) 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 in 3 ways as a sum of consecutive naturals, for example, 46084 + ... + 46717.

It is an arithmetic number, because the mean of its divisors is an integer number (7377759).

Almost surely, 229417917 is an apocalyptic number.

It is an amenable number.

29417917 is a deficient number, since it is larger than the sum of its proper divisors (93119).

29417917 is an equidigital number, since it uses as much as digits as its factorization.

29417917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93118.

The product of its digits is 31752, while the sum is 40.

The square root of 29417917 is about 5423.8286292987. The cubic root of 29417917 is about 308.7004809479.

The spelling of 29417917 in words is "twenty-nine million, four hundred seventeen thousand, nine hundred seventeen".

Divisors: 1 317 92801 29417917