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29801 = 171753
BaseRepresentation
bin111010001101001
31111212202
413101221
51423201
6345545
7152612
oct72151
944782
1029801
1120432
12152b5
1310745
14ac09
158c6b
hex7469

29801 has 4 divisors (see below), whose sum is σ = 31572. Its totient is φ = 28032.

The previous prime is 29789. The next prime is 29803. The reversal of 29801 is 10892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 19600 = 101^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 29801 - 214 = 13417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29803) 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, 860 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (7893).

229801 is an apocalyptic number.

It is an amenable number.

29801 is a deficient number, since it is larger than the sum of its proper divisors (1771).

29801 is a wasteful number, since it uses less digits than its factorization.

29801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 29801 is about 172.6296614143. The cubic root of 29801 is about 31.0034682211.

The spelling of 29801 in words is "twenty-nine thousand, eight hundred one".

Divisors: 1 17 1753 29801