Search a number
-
+
105139529 = 1129329591
BaseRepresentation
bin1100100010001…
…00110101001001
321022211122022122
412101010311021
5203403431104
614233301025
72414446145
oct621046511
9238748278
10105139529
1154391980
122b264775
1318a22c51
14dd6c225
15936c6be
hex6444d49

105139529 has 8 divisors (see below), whose sum is σ = 118653120. Its totient is φ = 92285200.

The previous prime is 105139523. The next prime is 105139553. The reversal of 105139529 is 925931501.

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 105139529 - 24 = 105139513 is a prime.

It is a super-2 number, since 2×1051395292 = 22108641116683682, 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 (105139523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164477 + ... + 165114.

It is an arithmetic number, because the mean of its divisors is an integer number (14831640).

Almost surely, 2105139529 is an apocalyptic number.

It is an amenable number.

105139529 is a deficient number, since it is larger than the sum of its proper divisors (13513591).

105139529 is a wasteful number, since it uses less digits than its factorization.

105139529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329631.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 105139529 is about 10253.7568237208. The cubic root of 105139529 is about 471.9782754173.

The spelling of 105139529 in words is "one hundred five million, one hundred thirty-nine thousand, five hundred twenty-nine".

Divisors: 1 11 29 319 329591 3625501 9558139 105139529