Search a number
-
+
29489999 = 711237941
BaseRepresentation
bin111000001111…
…1101101001111
32001111020200012
41300133231033
530022134444
62532023435
7505442450
oct160375517
961436605
1029489999
1115712300
129a61b7b
136156b06
143cb9127
1528c7b9e
hex1c1fb4f

29489999 has 24 divisors (see below), whose sum is σ = 38086944. Its totient is φ = 22334400.

The previous prime is 29489987. The next prime is 29490007. The reversal of 29489999 is 99998492.

It is not a de Polignac number, because 29489999 - 212 = 29485903 is a prime.

29489999 is a modest number, since divided by 9999 gives 2948 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29489939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30869 + ... + 31809.

It is an arithmetic number, because the mean of its divisors is an integer number (1586956).

Almost surely, 229489999 is an apocalyptic number.

29489999 is a deficient number, since it is larger than the sum of its proper divisors (8596945).

29489999 is a wasteful number, since it uses less digits than its factorization.

29489999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 996 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 59.

The square root of 29489999 is about 5430.4695008811. The cubic root of 29489999 is about 308.9524090327.

The spelling of 29489999 in words is "twenty-nine million, four hundred eighty-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 11 37 77 121 259 407 847 941 2849 4477 6587 10351 31339 34817 72457 113861 243719 382987 797027 2680909 4212857 29489999