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105215301 = 3361193331
BaseRepresentation
bin1100100010101…
…11010101000101
321022222111021000
412101113111011
5203413342201
614235043513
72415213102
oct621272505
9238874230
10105215301
11544338a4
122b2a0599
1318a4b599
14dd8baa9
159384d86
hex6457545

105215301 has 32 divisors (see below), whose sum is σ = 159731840. Its totient is φ = 68428800.

The previous prime is 105215291. The next prime is 105215321. The reversal of 105215301 is 103512501.

It is not a de Polignac number, because 105215301 - 25 = 105215269 is a prime.

It is a super-2 number, since 2×1052153012 = 22140519129041202, 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 (105215321) 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 31 ways as a sum of consecutive naturals, for example, 317706 + ... + 318036.

It is an arithmetic number, because the mean of its divisors is an integer number (4991620).

Almost surely, 2105215301 is an apocalyptic number.

It is an amenable number.

105215301 is a deficient number, since it is larger than the sum of its proper divisors (54516539).

105215301 is a wasteful number, since it uses less digits than its factorization.

105215301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 105215301 is about 10257.4509991518. The cubic root of 105215301 is about 472.0916300249.

Adding to 105215301 its reverse (103512501), we get a palindrome (208727802).

The spelling of 105215301 in words is "one hundred five million, two hundred fifteen thousand, three hundred one".

Divisors: 1 3 9 27 61 183 193 331 549 579 993 1647 1737 2979 5211 8937 11773 20191 35319 60573 63883 105957 181719 191649 317871 545157 574947 1724841 3896863 11690589 35071767 105215301