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105325638 = 23114138923
BaseRepresentation
bin1100100011100…
…10010001000110
321100012002121120
412101302101012
5203430410023
614241254410
72416152555
oct621622106
9240162546
10105325638
11544a9790
122b334406
1318a89882
14ddb9d9c
1593a78e3
hex6472446

105325638 has 32 divisors (see below), whose sum is σ = 235412352. Its totient is φ = 31137600.

The previous prime is 105325621. The next prime is 105325639. The reversal of 105325638 is 836523501.

It is a super-2 number, since 2×1053256382 = 22186980040214088, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105325599 and 105325608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105325639) 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, 16756 + ... + 22167.

It is an arithmetic number, because the mean of its divisors is an integer number (7356636).

Almost surely, 2105325638 is an apocalyptic number.

105325638 is an abundant number, since it is smaller than the sum of its proper divisors (130086714).

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

105325638 is a wasteful number, since it uses less digits than its factorization.

105325638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38980.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 105325638 is about 10262.8279728348. The cubic root of 105325638 is about 472.2565964510.

The spelling of 105325638 in words is "one hundred five million, three hundred twenty-five thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 38923 77846 116769 233538 428153 856306 1284459 1595843 2568918 3191686 4787529 9575058 17554273 35108546 52662819 105325638