Search a number
-
+
29115085 = 543191709
BaseRepresentation
bin110111100010…
…0001011001101
32000210012101111
41233010023031
524423140320
62520012021
7502321426
oct157041315
960705344
1029115085
111548665a
129901011
13605527c
143c1c64d
152851a5a
hex1bc42cd

29115085 has 16 divisors (see below), whose sum is σ = 35988480. Its totient is φ = 22599360.

The previous prime is 29115083. The next prime is 29115127. The reversal of 29115085 is 58051192.

It is not a de Polignac number, because 29115085 - 21 = 29115083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29115083) 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 15 ways as a sum of consecutive naturals, for example, 40711 + ... + 41419.

It is an arithmetic number, because the mean of its divisors is an integer number (2249280).

Almost surely, 229115085 is an apocalyptic number.

It is an amenable number.

29115085 is a deficient number, since it is larger than the sum of its proper divisors (6873395).

29115085 is a wasteful number, since it uses less digits than its factorization.

29115085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 29115085 is about 5395.8396010260. The cubic root of 29115085 is about 307.6375571573.

It can be divided in two parts, 291 and 15085, that added together give a square (15376 = 1242).

The spelling of 29115085 in words is "twenty-nine million, one hundred fifteen thousand, eighty-five".

Divisors: 1 5 43 191 215 709 955 3545 8213 30487 41065 135419 152435 677095 5823017 29115085