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104881 = 714983
BaseRepresentation
bin11001100110110001
312022212111
4121212301
511324011
62125321
7614530
oct314661
9168774
10104881
1171887
1250841
133897a
142a317
1521121
hex199b1

104881 has 4 divisors (see below), whose sum is σ = 119872. Its totient is φ = 89892.

The previous prime is 104879. The next prime is 104891. The reversal of 104881 is 188401.

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 a cyclic number.

It is not a de Polignac number, because 104881 - 21 = 104879 is a prime.

It is a super-2 number, since 2×1048812 = 22000048322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104801) 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, 7485 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (29968).

2104881 is an apocalyptic number.

It is an amenable number.

104881 is a deficient number, since it is larger than the sum of its proper divisors (14991).

104881 is an equidigital number, since it uses as much as digits as its factorization.

104881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 104881 is about 323.8533618785. The cubic root of 104881 is about 47.1591106665.

The spelling of 104881 in words is "one hundred four thousand, eight hundred eighty-one".

Divisors: 1 7 14983 104881