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109901 = 1197103
BaseRepresentation
bin11010110101001101
312120202102
4122311031
512004101
62204445
7635261
oct326515
9176672
10109901
1175630
1253725
133b03c
142c0a1
152286b
hex1ad4d

109901 has 8 divisors (see below), whose sum is σ = 122304. Its totient is φ = 97920.

The previous prime is 109897. The next prime is 109903.

109901 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109901 - 22 = 109897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2109901 is an apocalyptic number.

109901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109901 is a deficient number, since it is larger than the sum of its proper divisors (12403).

109901 is a wasteful number, since it uses less digits than its factorization.

109901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 109901 is about 331.5131973240. The cubic root of 109901 is about 47.8998199966.

The spelling of 109901 in words is "one hundred nine thousand, nine hundred one".

Divisors: 1 11 97 103 1067 1133 9991 109901