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105611041 = 127831583
BaseRepresentation
bin1100100101101…
…11111100100001
321100201121010001
412102313330201
5204014023131
614251340001
72421451624
oct622677441
9240647101
10105611041
1154684158
122b451601
1318b59753
1410051dbb
159412261
hex64b7f21

105611041 has 4 divisors (see below), whose sum is σ = 106442752. Its totient is φ = 104779332.

The previous prime is 105611027. The next prime is 105611047. The reversal of 105611041 is 140116501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140116501 = 720016643.

It is a cyclic number.

It is not a de Polignac number, because 105611041 - 225 = 72056609 is a prime.

It is a super-2 number, since 2×1056110412 = 22307383962207362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105611047) 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, 415665 + ... + 415918.

It is an arithmetic number, because the mean of its divisors is an integer number (26610688).

Almost surely, 2105611041 is an apocalyptic number.

It is an amenable number.

105611041 is a deficient number, since it is larger than the sum of its proper divisors (831711).

105611041 is an equidigital number, since it uses as much as digits as its factorization.

105611041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831710.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 105611041 is about 10276.7232618184. The cubic root of 105611041 is about 472.6827728093.

Adding to 105611041 its reverse (140116501), we get a palindrome (245727542).

The spelling of 105611041 in words is "one hundred five million, six hundred eleven thousand, forty-one".

Divisors: 1 127 831583 105611041