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BaseRepresentation
bin11010001110001101
312110022222
4122032031
511414110
62145125
7625064
oct321615
9173288
10107405
1173771
12521a5
1339b6c
142b1db
1521c55
hex1a38d

107405 has 4 divisors (see below), whose sum is σ = 128892. Its totient is φ = 85920.

The previous prime is 107377. The next prime is 107441. The reversal of 107405 is 504701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504701 = 4311171.

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 48841 = 242^2 + 221^2 .

It is a de Polignac number, because none of the positive numbers 2k-107405 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10736 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (32223).

2107405 is an apocalyptic number.

It is an amenable number.

107405 is a deficient number, since it is larger than the sum of its proper divisors (21487).

107405 is an equidigital number, since it uses as much as digits as its factorization.

107405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21486.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 107405 is about 327.7270205522. The cubic root of 107405 is about 47.5344164239.

It can be divided in two parts, 107 and 405, that added together give a 9-th power (512 = 29).

The spelling of 107405 in words is "one hundred seven thousand, four hundred five".

Divisors: 1 5 21481 107405