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105933689 = 181585269
BaseRepresentation
bin1100101000001…
…10101101111001
321101022222200222
412110012231321
5204104334224
614302305425
72424264401
oct624065571
9241288628
10105933689
1154884604
122b588275
1318c40574
14100d7801
159477b5e
hex6506b79

105933689 has 4 divisors (see below), whose sum is σ = 106519140. Its totient is φ = 105348240.

The previous prime is 105933673. The next prime is 105933739. The reversal of 105933689 is 986339501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 103632400 = 1517^2 + 10180^2 .

It is a cyclic number.

It is not a de Polignac number, because 105933689 - 24 = 105933673 is a prime.

It is a super-2 number, since 2×1059336892 = 22443892930297442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105933089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292454 + ... + 292815.

It is an arithmetic number, because the mean of its divisors is an integer number (26629785).

Almost surely, 2105933689 is an apocalyptic number.

It is an amenable number.

105933689 is a deficient number, since it is larger than the sum of its proper divisors (585451).

105933689 is an equidigital number, since it uses as much as digits as its factorization.

105933689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585450.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 105933689 is about 10292.4092903460. The cubic root of 105933689 is about 473.1636414247.

The spelling of 105933689 in words is "one hundred five million, nine hundred thirty-three thousand, six hundred eighty-nine".

Divisors: 1 181 585269 105933689