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105044645 = 546744987
BaseRepresentation
bin1100100001011…
…01101010100101
321022122211011102
412100231222211
5203342412040
614231245445
72413602416
oct620555245
9238584142
10105044645
1154327662
122b219885
13189bb9c4
14dd4580d
15934e515
hex642daa5

105044645 has 8 divisors (see below), whose sum is σ = 126326304. Its totient is φ = 83853904.

The previous prime is 105044629. The next prime is 105044651. The reversal of 105044645 is 546440501.

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

It is a cyclic number.

It is not a de Polignac number, because 105044645 - 24 = 105044629 is a prime.

It is a super-2 number, since 2×1050446452 = 22068754886352050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20159 + ... + 24828.

It is an arithmetic number, because the mean of its divisors is an integer number (15790788).

Almost surely, 2105044645 is an apocalyptic number.

It is an amenable number.

105044645 is a deficient number, since it is larger than the sum of its proper divisors (21281659).

105044645 is an equidigital number, since it uses as much as digits as its factorization.

105044645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45459.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 105044645 is about 10249.1289873823. The cubic root of 105044645 is about 471.8362525089.

The spelling of 105044645 in words is "one hundred five million, forty-four thousand, six hundred forty-five".

Divisors: 1 5 467 2335 44987 224935 21008929 105044645