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105509041 = 119591731
BaseRepresentation
bin1100100100111…
…11000010110001
321100112102012021
412102133002301
5204002242131
614245231441
72420545351
oct622370261
9240472167
10105509041
1154614560
122b402581
1318b221b1
1410026b61
1593e1e11
hex649f0b1

105509041 has 4 divisors (see below), whose sum is σ = 115100784. Its totient is φ = 95917300.

The previous prime is 105509039. The next prime is 105509069. The reversal of 105509041 is 140905501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105509041 - 21 = 105509039 is a prime.

It is a super-2 number, since 2×1055090412 = 22264315465479362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105508997 and 105509015.

It is not an unprimeable number, because it can be changed into a prime (105509081) 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, 4795855 + ... + 4795876.

It is an arithmetic number, because the mean of its divisors is an integer number (28775196).

Almost surely, 2105509041 is an apocalyptic number.

105509041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105509041 is a deficient number, since it is larger than the sum of its proper divisors (9591743).

105509041 is an equidigital number, since it uses as much as digits as its factorization.

105509041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591742.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 105509041 is about 10271.7593916524. The cubic root of 105509041 is about 472.5305501742.

It can be divided in two parts, 10550 and 9041, that added together give a palindrome (19591).

The spelling of 105509041 in words is "one hundred five million, five hundred nine thousand, forty-one".

Divisors: 1 11 9591731 105509041