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105806098 = 2192784371
BaseRepresentation
bin1100100111001…
…11100100010010
321101002111200101
412103213210102
5204041243343
614255443014
72423223406
oct623474422
9241074611
10105806098
11547a7762
122b52646a
1318bc7478
14100a3106
15944ee4d
hex64e7912

105806098 has 8 divisors (see below), whose sum is σ = 167062320. Its totient is φ = 50118660.

The previous prime is 105806093. The next prime is 105806143. The reversal of 105806098 is 890608501.

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

It is a super-2 number, since 2×1058060982 = 22389860747971208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105806093) 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 3 ways as a sum of consecutive naturals, for example, 1392148 + ... + 1392223.

It is an arithmetic number, because the mean of its divisors is an integer number (20882790).

Almost surely, 2105806098 is an apocalyptic number.

105806098 is a deficient number, since it is larger than the sum of its proper divisors (61256222).

105806098 is a wasteful number, since it uses less digits than its factorization.

105806098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784392.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 105806098 is about 10286.2091170654. The cubic root of 105806098 is about 472.9735990282.

The spelling of 105806098 in words is "one hundred five million, eight hundred six thousand, ninety-eight".

Divisors: 1 2 19 38 2784371 5568742 52903049 105806098