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29057 = 72593
BaseRepresentation
bin111000110000001
31110212012
413012001
51412212
6342305
7150500
oct70601
943765
1029057
111a916
1214995
13102c2
14a837
158922
hex7181

29057 has 6 divisors (see below), whose sum is σ = 33858. Its totient is φ = 24864.

The previous prime is 29033. The next prime is 29059. The reversal of 29057 is 75092.

It can be written as a sum of positive squares in only one way, i.e., 25921 + 3136 = 161^2 + 56^2 .

It is a de Polignac number, because none of the positive numbers 2k-29057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248 + ... + 345.

It is an arithmetic number, because the mean of its divisors is an integer number (5643).

229057 is an apocalyptic number.

It is an amenable number.

29057 is a deficient number, since it is larger than the sum of its proper divisors (4801).

29057 is an equidigital number, since it uses as much as digits as its factorization.

29057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 29057 is about 170.4611392664. The cubic root of 29057 is about 30.7432840556.

The spelling of 29057 in words is "twenty-nine thousand, fifty-seven".

Divisors: 1 7 49 593 4151 29057