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105055245 = 335778187
BaseRepresentation
bin1100100001100…
…00010000001101
321022200100201000
412100300100031
5203343231440
614231410513
72413645341
oct620602015
9238610630
10105055245
1154334619
122b223a39
13189c3789
14dd49621
159352730
hex643040d

105055245 has 16 divisors (see below), whose sum is σ = 186765120. Its totient is φ = 56029392.

The previous prime is 105055219. The next prime is 105055253. The reversal of 105055245 is 542550501.

105055245 is a `hidden beast` number, since 105 + 0 + 552 + 4 + 5 = 666.

It is not a de Polignac number, because 105055245 - 27 = 105055117 is a prime.

It is a super-2 number, since 2×1050552452 = 22073209004020050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388959 + ... + 389228.

It is an arithmetic number, because the mean of its divisors is an integer number (11672820).

Almost surely, 2105055245 is an apocalyptic number.

105055245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105055245 is a deficient number, since it is larger than the sum of its proper divisors (81709875).

105055245 is an equidigital number, since it uses as much as digits as its factorization.

105055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778201 (or 778195 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 105055245 is about 10249.6460914512. The cubic root of 105055245 is about 471.8521228913.

The spelling of 105055245 in words is "one hundred five million, fifty-five thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 778187 2334561 3890935 7003683 11672805 21011049 35018415 105055245