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BaseRepresentation
bin111001000000001
31111000221
413020001
51413220
6343041
7151042
oct71001
944027
1029185
111aa22
1214a81
1310390
14a8c9
1589aa
hex7201

29185 has 8 divisors (see below), whose sum is σ = 37800. Its totient is φ = 21504.

The previous prime is 29179. The next prime is 29191. The reversal of 29185 is 58192.

It is an interprime number because it is at equal distance from previous prime (29179) and next prime (29191).

It can be written as a sum of positive squares in 4 ways, for example, as 961 + 28224 = 31^2 + 168^2 .

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 29185 - 25 = 29153 is a prime.

29185 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 289.

It is an arithmetic number, because the mean of its divisors is an integer number (4725).

It is a Proth number, since it is equal to 57 ⋅ 29 + 1 and 57 < 29.

229185 is an apocalyptic number.

It is an amenable number.

29185 is a deficient number, since it is larger than the sum of its proper divisors (8615).

29185 is a wasteful number, since it uses less digits than its factorization.

29185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 720, while the sum is 25.

The square root of 29185 is about 170.8361788381. The cubic root of 29185 is about 30.7883607002.

The spelling of 29185 in words is "twenty-nine thousand, one hundred eighty-five".

Divisors: 1 5 13 65 449 2245 5837 29185