Search a number
-
+
105089049 = 33131571907
BaseRepresentation
bin1100100001110…
…00100000011001
321022202002002000
412100320200121
5203400322144
614232231213
72414146032
oct620704031
9238662060
10105089049
1154357a5a
122b23b509
1318a05c90
14dd57a89
15935c769
hex6438819

105089049 has 32 divisors (see below), whose sum is σ = 168819840. Its totient is φ = 64224576.

The previous prime is 105089041. The next prime is 105089063. The reversal of 105089049 is 940980501.

It is not a de Polignac number, because 105089049 - 23 = 105089041 is a prime.

It is a super-2 number, since 2×1050890492 = 22087416439448802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105089041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54154 + ... + 56060.

It is an arithmetic number, because the mean of its divisors is an integer number (5275620).

Almost surely, 2105089049 is an apocalyptic number.

It is an amenable number.

105089049 is a deficient number, since it is larger than the sum of its proper divisors (63730791).

105089049 is a wasteful number, since it uses less digits than its factorization.

105089049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 105089049 is about 10251.2949913657. The cubic root of 105089049 is about 471.9027273095.

The spelling of 105089049 in words is "one hundred five million, eighty-nine thousand, forty-nine".

Divisors: 1 3 9 13 27 39 117 157 351 471 1413 1907 2041 4239 5721 6123 17163 18369 24791 51489 55107 74373 223119 299399 669357 898197 2694591 3892187 8083773 11676561 35029683 105089049