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105211346 = 270974197
BaseRepresentation
bin1100100010101…
…10010111010010
321022222021211112
412101112113102
5203413230341
614235013322
72415165422
oct621262722
9238867745
10105211346
1154430929
122b29a242
1318a49846
14dd8a482
159383aeb
hex64565d2

105211346 has 8 divisors (see below), whose sum is σ = 158041740. Its totient is φ = 52530768.

The previous prime is 105211339. The next prime is 105211357. The reversal of 105211346 is 643112501.

It can be written as a sum of positive squares in 2 ways, for example, as 75082225 + 30129121 = 8665^2 + 5489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052113462 = 22138854654263432, which contains 22 as substring.

It is an unprimeable number.

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, 35681 + ... + 38516.

Almost surely, 2105211346 is an apocalyptic number.

105211346 is a deficient number, since it is larger than the sum of its proper divisors (52830394).

105211346 is an equidigital number, since it uses as much as digits as its factorization.

105211346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74908.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 105211346 is about 10257.2582106526. The cubic root of 105211346 is about 472.0857147072.

Adding to 105211346 its reverse (643112501), we get a palindrome (748323847).

The spelling of 105211346 in words is "one hundred five million, two hundred eleven thousand, three hundred forty-six".

Divisors: 1 2 709 1418 74197 148394 52605673 105211346