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29901 = 39967
BaseRepresentation
bin111010011001101
31112000110
413103031
51424101
6350233
7153114
oct72315
945013
1029901
1120513
1215379
13107c1
14ac7b
158cd6
hex74cd

29901 has 4 divisors (see below), whose sum is σ = 39872. Its totient is φ = 19932.

The previous prime is 29881. The next prime is 29917. The reversal of 29901 is 10992.

It is a happy number.

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.

It is not a de Polignac number, because 29901 - 26 = 29837 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29921) 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, 4981 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (9968).

229901 is an apocalyptic number.

It is an amenable number.

29901 is a deficient number, since it is larger than the sum of its proper divisors (9971).

29901 is an equidigital number, since it uses as much as digits as its factorization.

29901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9970.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 29901 is about 172.9190562084. The cubic root of 29901 is about 31.0381078354.

The spelling of 29901 in words is "twenty-nine thousand, nine hundred one".

Divisors: 1 3 9967 29901