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107885 = 521577
BaseRepresentation
bin11010010101101101
312110222202
4122111231
511423020
62151245
7626351
oct322555
9173882
10107885
1174068
1252525
133a14b
142b461
1521e75
hex1a56d

107885 has 4 divisors (see below), whose sum is σ = 129468. Its totient is φ = 86304.

The previous prime is 107881. The next prime is 107897. The reversal of 107885 is 588701.

It is a happy number.

107885 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588701 = 5711031.

It can be written as a sum of positive squares in 2 ways, for example, as 67081 + 40804 = 259^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 107885 - 22 = 107881 is a prime.

It is a Duffinian number.

107885 is an undulating number in base 12.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107881) 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, 10784 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (32367).

2107885 is an apocalyptic number.

It is an amenable number.

107885 is a deficient number, since it is larger than the sum of its proper divisors (21583).

107885 is an equidigital number, since it uses as much as digits as its factorization.

107885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 107885 is about 328.4585209733. The cubic root of 107885 is about 47.6051226744.

The spelling of 107885 in words is "one hundred seven thousand, eight hundred eighty-five".

Divisors: 1 5 21577 107885