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29108285 = 519615023
BaseRepresentation
bin110111100001…
…0100000111101
32000202212001122
41233002200331
524422431120
62515520325
7502262543
oct157024075
960685048
1029108285
1115481538
1298b90a5
13605214b
143c19d93
15284ea25
hex1bc283d

29108285 has 16 divisors (see below), whose sum is σ = 37378560. Its totient is φ = 21695040.

The previous prime is 29108281. The next prime is 29108311. The reversal of 29108285 is 58280192.

It is not a de Polignac number, because 29108285 - 22 = 29108281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29108281) 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, 3284 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (2336160).

Almost surely, 229108285 is an apocalyptic number.

It is an amenable number.

29108285 is a deficient number, since it is larger than the sum of its proper divisors (8270275).

29108285 is a wasteful number, since it uses less digits than its factorization.

29108285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 29108285 is about 5395.2094491317. The cubic root of 29108285 is about 307.6136051033.

The spelling of 29108285 in words is "twenty-nine million, one hundred eight thousand, two hundred eighty-five".

Divisors: 1 5 19 61 95 305 1159 5023 5795 25115 95437 306403 477185 1532015 5821657 29108285