Search a number
-
+
29489745 = 351965983
BaseRepresentation
bin111000001111…
…1101001010001
32001111020022210
41300133221101
530022132440
62532022333
7505441635
oct160375121
961436283
1029489745
111571209a
129a619a9
13615696c
143cb8dc5
1528c7a80
hex1c1fa51

29489745 has 8 divisors (see below), whose sum is σ = 47183616. Its totient is φ = 15727856.

The previous prime is 29489741. The next prime is 29489809. The reversal of 29489745 is 54798492.

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

It is a cyclic number.

It is not a de Polignac number, because 29489745 - 22 = 29489741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29489694 and 29489703.

It is not an unprimeable number, because it can be changed into a prime (29489741) 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 7 ways as a sum of consecutive naturals, for example, 982977 + ... + 983006.

It is an arithmetic number, because the mean of its divisors is an integer number (5897952).

Almost surely, 229489745 is an apocalyptic number.

It is an amenable number.

29489745 is a deficient number, since it is larger than the sum of its proper divisors (17693871).

29489745 is a wasteful number, since it uses less digits than its factorization.

29489745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965991.

The product of its digits is 725760, while the sum is 48.

The square root of 29489745 is about 5430.4461142709. The cubic root of 29489745 is about 308.9515220185.

The spelling of 29489745 in words is "twenty-nine million, four hundred eighty-nine thousand, seven hundred forty-five".

Divisors: 1 3 5 15 1965983 5897949 9829915 29489745