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105239153 = 137768169
BaseRepresentation
bin1100100010111…
…01001001110001
321100000200222102
412101131021301
5203420123103
614235350145
72415342455
oct621351161
9240020872
10105239153
115444a808
122b2b2355
1318a593b6
14dd96665
15938be88
hex645d271

105239153 has 4 divisors (see below), whose sum is σ = 106007460. Its totient is φ = 104470848.

The previous prime is 105239149. The next prime is 105239161. The reversal of 105239153 is 351932501.

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 66699889 + 38539264 = 8167^2 + 6208^2 .

It is a cyclic number.

It is not a de Polignac number, because 105239153 - 22 = 105239149 is a prime.

It is a super-2 number, since 2×1052391532 = 22150558648314818, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (105239143) 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, 383948 + ... + 384221.

It is an arithmetic number, because the mean of its divisors is an integer number (26501865).

Almost surely, 2105239153 is an apocalyptic number.

It is an amenable number.

105239153 is a deficient number, since it is larger than the sum of its proper divisors (768307).

105239153 is an equidigital number, since it uses as much as digits as its factorization.

105239153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768306.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 105239153 is about 10258.6136002873. The cubic root of 105239153 is about 472.1273012586.

The spelling of 105239153 in words is "one hundred five million, two hundred thirty-nine thousand, one hundred fifty-three".

Divisors: 1 137 768169 105239153