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29885 = 543139
BaseRepresentation
bin111010010111101
31111222212
413102331
51424020
6350205
7153062
oct72275
944885
1029885
11204a9
1215365
13107ab
14ac69
158cc5
hex74bd

29885 has 8 divisors (see below), whose sum is σ = 36960. Its totient is φ = 23184.

The previous prime is 29881. The next prime is 29917. The reversal of 29885 is 58892.

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 29885 - 22 = 29881 is a prime.

It is a super-2 number, since 2×298852 = 1786226450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29885.

It is not an unprimeable number, because it can be changed into a prime (29881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146 + ... + 284.

It is an arithmetic number, because the mean of its divisors is an integer number (4620).

229885 is an apocalyptic number.

It is an amenable number.

29885 is a deficient number, since it is larger than the sum of its proper divisors (7075).

29885 is a wasteful number, since it uses less digits than its factorization.

29885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187.

The product of its digits is 5760, while the sum is 32.

The square root of 29885 is about 172.8727855968. The cubic root of 29885 is about 31.0325706925.

It can be divided in two parts, 298 and 85, that added together give a palindrome (383).

The spelling of 29885 in words is "twenty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 43 139 215 695 5977 29885