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105337189 = 149706961
BaseRepresentation
bin1100100011101…
…01000101100101
321100012200110101
412101311011211
5203431242224
614241424101
72416231336
oct621650545
9240180411
10105337189
1154507431
122b33b031
1318a91bc9
14ddc028d
1593ab044
hex6475165

105337189 has 4 divisors (see below), whose sum is σ = 106044300. Its totient is φ = 104630080.

The previous prime is 105337181. The next prime is 105337223. The reversal of 105337189 is 981733501.

It is a happy number.

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 28196100 + 77141089 = 5310^2 + 8783^2 .

It is a cyclic number.

It is not a de Polignac number, because 105337189 - 23 = 105337181 is a prime.

It is a super-2 number, since 2×1053371892 = 22191846772843442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105337181) 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, 353332 + ... + 353629.

It is an arithmetic number, because the mean of its divisors is an integer number (26511075).

Almost surely, 2105337189 is an apocalyptic number.

It is an amenable number.

105337189 is a deficient number, since it is larger than the sum of its proper divisors (707111).

105337189 is an equidigital number, since it uses as much as digits as its factorization.

105337189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707110.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 105337189 is about 10263.3907165225. The cubic root of 105337189 is about 472.2738598531.

The spelling of 105337189 in words is "one hundred five million, three hundred thirty-seven thousand, one hundred eighty-nine".

Divisors: 1 149 706961 105337189