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105404001 = 3192417673
BaseRepresentation
bin1100100100001…
…01011001100001
321100100002002220
412102011121201
5203440412001
614243101253
72416630203
oct622053141
9240302086
10105404001
115455264a
122b371829
1318ab6441
14ddda773
1593c0c36
hex6485661

105404001 has 16 divisors (see below), whose sum is σ = 148568640. Its totient is φ = 66286080.

The previous prime is 105403997. The next prime is 105404003. The reversal of 105404001 is 100404501.

It is not a de Polignac number, because 105404001 - 22 = 105403997 is a prime.

It is a super-2 number, since 2×1054040012 = 22220006853616002, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (105404003) 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 15 ways as a sum of consecutive naturals, for example, 9901 + ... + 17573.

It is an arithmetic number, because the mean of its divisors is an integer number (9285540).

Almost surely, 2105404001 is an apocalyptic number.

It is an amenable number.

105404001 is a deficient number, since it is larger than the sum of its proper divisors (43164639).

105404001 is a wasteful number, since it uses less digits than its factorization.

105404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 105404001 is about 10266.6450703236. The cubic root of 105404001 is about 472.3736881368.

Adding to 105404001 its reverse (100404501), we get a palindrome (205808502).

It can be divided in two parts, 10540 and 4001, that added together give a palindrome (14541).

The spelling of 105404001 in words is "one hundred five million, four hundred four thousand, one".

Divisors: 1 3 19 57 241 723 4579 7673 13737 23019 145787 437361 1849193 5547579 35134667 105404001