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105714809 = 373119187
BaseRepresentation
bin1100100110100…
…01010001111001
321100220212110022
412103101101321
5204030333214
614253500225
72422363304
oct623212171
9240825408
10105714809
1154745112
122b4a1675
1318b94a55
141007bb3b
159432d8e
hex64d1479

105714809 has 8 divisors (see below), whose sum is σ = 108932928. Its totient is φ = 102515760.

The previous prime is 105714799. The next prime is 105714863. The reversal of 105714809 is 908417501.

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

It is a cyclic number.

It is not a de Polignac number, because 105714809 - 24 = 105714793 is a prime.

It is a super-2 number, since 2×1057148092 = 22351241683812962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105714899) 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, 6914 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (13616616).

Almost surely, 2105714809 is an apocalyptic number.

It is an amenable number.

105714809 is a deficient number, since it is larger than the sum of its proper divisors (3218119).

105714809 is an equidigital number, since it uses as much as digits as its factorization.

105714809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9535.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 105714809 is about 10281.7707132575. The cubic root of 105714809 is about 472.8375334284.

The spelling of 105714809 in words is "one hundred five million, seven hundred fourteen thousand, eight hundred nine".

Divisors: 1 37 311 9187 11507 339919 2857157 105714809