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29145 = 352967
BaseRepresentation
bin111000111011001
31110222110
413013121
51413040
6342533
7150654
oct70731
943873
1029145
111a996
1214a49
131035c
14a89b
158980
hex71d9

29145 has 16 divisors (see below), whose sum is σ = 48960. Its totient is φ = 14784.

The previous prime is 29137. The next prime is 29147. The reversal of 29145 is 54192.

It is not a de Polignac number, because 29145 - 23 = 29137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (3060).

229145 is an apocalyptic number.

It is an amenable number.

29145 is a deficient number, since it is larger than the sum of its proper divisors (19815).

29145 is a wasteful number, since it uses less digits than its factorization.

29145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104.

The product of its digits is 360, while the sum is 21.

The square root of 29145 is about 170.7190674764. The cubic root of 29145 is about 30.7742884314.

The spelling of 29145 in words is "twenty-nine thousand, one hundred forty-five".

Divisors: 1 3 5 15 29 67 87 145 201 335 435 1005 1943 5829 9715 29145