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105301243 = 412568323
BaseRepresentation
bin1100100011011…
…00010011111011
321100010212011001
412101230103323
5203424114433
614240545431
72416021465
oct621542373
9240125131
10105301243
1154492423
122b322277
1318a7b738
14ddb1135
1593a057d
hex646c4fb

105301243 has 4 divisors (see below), whose sum is σ = 107869608. Its totient is φ = 102732880.

The previous prime is 105301241. The next prime is 105301279. The reversal of 105301243 is 342103501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342103501 = 1931772557.

It is not a de Polignac number, because 105301243 - 21 = 105301241 is a prime.

It is a super-2 number, since 2×1053012432 = 22176703554690098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105301243.

It is not an unprimeable number, because it can be changed into a prime (105301241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284121 + ... + 1284202.

It is an arithmetic number, because the mean of its divisors is an integer number (26967402).

Almost surely, 2105301243 is an apocalyptic number.

105301243 is a deficient number, since it is larger than the sum of its proper divisors (2568365).

105301243 is an equidigital number, since it uses as much as digits as its factorization.

105301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568364.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 105301243 is about 10261.6393914423. The cubic root of 105301243 is about 472.2201330616.

Adding to 105301243 its reverse (342103501), we get a palindrome (447404744).

The spelling of 105301243 in words is "one hundred five million, three hundred one thousand, two hundred forty-three".

Divisors: 1 41 2568323 105301243