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100406 = 261823
BaseRepresentation
bin11000100000110110
312002201202
4120200312
511203111
62052502
7565505
oct304066
9162652
10100406
1169489
124a132
1336917
142883c
151eb3b
hex18836

100406 has 8 divisors (see below), whose sum is σ = 153264. Its totient is φ = 49320.

The previous prime is 100403. The next prime is 100411. The reversal of 100406 is 604001.

100406 is nontrivially palindromic in base 6.

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 (100403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290 + ... + 533.

It is an arithmetic number, because the mean of its divisors is an integer number (19158).

2100406 is an apocalyptic number.

100406 is a deficient number, since it is larger than the sum of its proper divisors (52858).

100406 is an equidigital number, since it uses as much as digits as its factorization.

100406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100406 is about 316.8690581297. The cubic root of 100406 is about 46.4786196850.

Adding to 100406 its reverse (604001), we get a palindrome (704407).

The spelling of 100406 in words is "one hundred thousand, four hundred six".

Divisors: 1 2 61 122 823 1646 50203 100406