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105972395 = 521194479
BaseRepresentation
bin1100101000100…
…00001010101011
321101101221210112
412110100022223
5204112104040
614303204535
72424515264
oct624201253
9241357715
10105972395
11549006a1
122b5a674b
1318c55079
141010796b
159484365
hex65102ab

105972395 has 4 divisors (see below), whose sum is σ = 127166880. Its totient is φ = 84777912.

The previous prime is 105972379. The next prime is 105972439. The reversal of 105972395 is 593279501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105972395 - 24 = 105972379 is a prime.

It is a super-2 number, since 2×1059723952 = 22460297004072050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10597235 + ... + 10597244.

It is an arithmetic number, because the mean of its divisors is an integer number (31791720).

Almost surely, 2105972395 is an apocalyptic number.

105972395 is a deficient number, since it is larger than the sum of its proper divisors (21194485).

105972395 is an equidigital number, since it uses as much as digits as its factorization.

105972395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194484.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 105972395 is about 10294.2894363817. The cubic root of 105972395 is about 473.2212625081.

The spelling of 105972395 in words is "one hundred five million, nine hundred seventy-two thousand, three hundred ninety-five".

Divisors: 1 5 21194479 105972395