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108406 = 267809
BaseRepresentation
bin11010011101110110
312111201001
4122131312
511432111
62153514
7631024
oct323566
9174631
10108406
11744a1
125289a
133a45c
142b714
15221c1
hex1a776

108406 has 8 divisors (see below), whose sum is σ = 165240. Its totient is φ = 53328.

The previous prime is 108401. The next prime is 108413. The reversal of 108406 is 604801.

108406 = T20 + T21 + ... + T86.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (20655).

2108406 is an apocalyptic number.

108406 is a deficient number, since it is larger than the sum of its proper divisors (56834).

108406 is an equidigital number, since it uses as much as digits as its factorization.

108406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 108406 is about 329.2506643881. The cubic root of 108406 is about 47.6816314585.

The spelling of 108406 in words is "one hundred eight thousand, four hundred six".

Divisors: 1 2 67 134 809 1618 54203 108406