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105673243 = 1321133847
BaseRepresentation
bin1100100110001…
…11001000011011
321100211202102211
412103013020123
5204023020433
614252535551
72422131154
oct623071033
9240752384
10105673243
1154716965
122b4815b7
1318b7bb60
141006a92b
1594258cd
hex64c721b

105673243 has 8 divisors (see below), whose sum is σ = 113885408. Its totient is φ = 97473024.

The previous prime is 105673219. The next prime is 105673291. The reversal of 105673243 is 342376501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105673243 is a prime.

It is a super-2 number, since 2×1056732432 = 22333668572274098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105673213) by changing a digit.

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, 25546 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (14235676).

Almost surely, 2105673243 is an apocalyptic number.

105673243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105673243 is a deficient number, since it is larger than the sum of its proper divisors (8212165).

105673243 is a wasteful number, since it uses less digits than its factorization.

105673243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 105673243 is about 10279.7491700917. The cubic root of 105673243 is about 472.7755536498.

The spelling of 105673243 in words is "one hundred five million, six hundred seventy-three thousand, two hundred forty-three".

Divisors: 1 13 2113 3847 27469 50011 8128711 105673243