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105403494 = 23714916843
BaseRepresentation
bin1100100100001…
…01010001100110
321100100001102010
412102011101212
5203440402434
614243055050
72416625550
oct622052146
9240301363
10105403494
1154552229
122b371486
1318ab6141
14ddda4d0
1593c09e9
hex6485466

105403494 has 32 divisors (see below), whose sum is σ = 242553600. Its totient is φ = 29911392.

The previous prime is 105403489. The next prime is 105403513. The reversal of 105403494 is 494304501.

It is a super-3 number, since 3×1054034943 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2164 + ... + 14679.

It is an arithmetic number, because the mean of its divisors is an integer number (7579800).

Almost surely, 2105403494 is an apocalyptic number.

105403494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105403494 is an abundant number, since it is smaller than the sum of its proper divisors (137150106).

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

105403494 is a wasteful number, since it uses less digits than its factorization.

105403494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 105403494 is about 10266.6203786835. The cubic root of 105403494 is about 472.3729307530.

Adding to 105403494 its reverse (494304501), we get a palindrome (599707995).

The spelling of 105403494 in words is "one hundred five million, four hundred three thousand, four hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 149 298 447 894 1043 2086 3129 6258 16843 33686 50529 101058 117901 235802 353703 707406 2509607 5019214 7528821 15057642 17567249 35134498 52701747 105403494