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29213 = 131223
BaseRepresentation
bin111001000011101
31111001222
413020131
51413323
6343125
7151112
oct71035
944058
1029213
111aa48
1214aa5
13103b2
14a909
1589c8
hex721d

29213 has 4 divisors (see below), whose sum is σ = 29568. Its totient is φ = 28860.

The previous prime is 29209. The next prime is 29221. The reversal of 29213 is 31292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29213 - 22 = 29209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29191 and 29200.

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 29213.

It is not an unprimeable number, because it can be changed into a prime (29243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 242.

It is an arithmetic number, because the mean of its divisors is an integer number (7392).

229213 is an apocalyptic number.

It is an amenable number.

29213 is a deficient number, since it is larger than the sum of its proper divisors (355).

29213 is a wasteful number, since it uses less digits than its factorization.

29213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its digits is 108, while the sum is 17.

The square root of 29213 is about 170.9181090464. The cubic root of 29213 is about 30.7982036395.

It can be divided in two parts, 29 and 213, that added together give a palindrome (242).

The spelling of 29213 in words is "twenty-nine thousand, two hundred thirteen".

Divisors: 1 131 223 29213