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29393 = 7131719
BaseRepresentation
bin111001011010001
31111022122
413023101
51420033
6344025
7151460
oct71321
944278
1029393
11200a1
1215015
13104c0
14a9d7
158a98
hex72d1

29393 has 16 divisors (see below), whose sum is σ = 40320. Its totient is φ = 20736.

The previous prime is 29389. The next prime is 29399. The reversal of 29393 is 39392.

It is a cyclic number.

It is not a de Polignac number, because 29393 - 22 = 29389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29399) 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, 1538 + ... + 1556.

It is an arithmetic number, because the mean of its divisors is an integer number (2520).

229393 is an apocalyptic number.

It is an amenable number.

29393 is a deficient number, since it is larger than the sum of its proper divisors (10927).

29393 is a wasteful number, since it uses less digits than its factorization.

29393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56.

The product of its digits is 1458, while the sum is 26.

The square root of 29393 is about 171.4438683651. The cubic root of 29393 is about 30.8613299808.

Subtracting 29393 from its reverse (39392), we obtain a palindrome (9999).

The spelling of 29393 in words is "twenty-nine thousand, three hundred ninety-three".

Divisors: 1 7 13 17 19 91 119 133 221 247 323 1547 1729 2261 4199 29393