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105404044 = 2271371141
BaseRepresentation
bin1100100100001…
…01011010001100
321100100002011111
412102011122030
5203440412134
614243101404
72416630264
oct622053214
9240302144
10105404044
1154552689
122b371864
1318ab6475
14ddda7a4
1593c0c64
hex648568c

105404044 has 12 divisors (see below), whose sum is σ = 187055568. Its totient is φ = 51959600.

The previous prime is 105404023. The next prime is 105404087. The reversal of 105404044 is 440404501.

It is a super-2 number, since 2×1054040442 = 22220024983107872, which contains 22 as substring.

It is an unprimeable number.

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, 185287 + ... + 185854.

It is an arithmetic number, because the mean of its divisors is an integer number (15587964).

Almost surely, 2105404044 is an apocalyptic number.

It is an amenable number.

105404044 is a deficient number, since it is larger than the sum of its proper divisors (81651524).

105404044 is a wasteful number, since it uses less digits than its factorization.

105404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371216 (or 371214 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 105404044 is about 10266.6471644836. The cubic root of 105404044 is about 472.3737523724.

Adding to 105404044 its reverse (440404501), we get a palindrome (545808545).

The spelling of 105404044 in words is "one hundred five million, four hundred four thousand, forty-four".

Divisors: 1 2 4 71 142 284 371141 742282 1484564 26351011 52702022 105404044