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105186048 = 2831112451
BaseRepresentation
bin1100100010100…
…00001100000000
321022221000010120
412101100030000
5203411423143
614234300240
72415031602
oct621201400
9238830116
10105186048
1154413920
122b287680
1318a3b186
14dd81172
15937b383
hex6450300

105186048 has 72 divisors (see below), whose sum is σ = 305422656. Its totient is φ = 31872000.

The previous prime is 105186043. The next prime is 105186073. The reversal of 105186048 is 840681501.

It is a super-2 number, since 2×1051860482 = 22128209387716608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105186043) 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 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 14673.

Almost surely, 2105186048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105186048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152711328).

105186048 is an abundant number, since it is smaller than the sum of its proper divisors (200236608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105186048 is a wasteful number, since it uses less digits than its factorization.

105186048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481 (or 12467 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 105186048 is about 10256.0249609681. The cubic root of 105186048 is about 472.0478741060.

The spelling of 105186048 in words is "one hundred five million, one hundred eighty-six thousand, forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 2112 2816 4224 8448 12451 24902 37353 49804 74706 99608 136961 149412 199216 273922 298824 398432 410883 547844 597648 796864 821766 1095688 1195296 1593728 1643532 2191376 2390592 3187456 3287064 4382752 4781184 6574128 8765504 9562368 13148256 17531008 26296512 35062016 52593024 105186048