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108144041 = 211512531
BaseRepresentation
bin1100111001000…
…10010110101001
321112111021201212
412130202112221
5210141102131
614421522505
72452131515
oct634422651
9245437655
10108144041
1156054245
1230273435
1319535675
1410511145
159762a2b
hex67225a9

108144041 has 4 divisors (see below), whose sum is σ = 108656784. Its totient is φ = 107631300.

The previous prime is 108144017. The next prime is 108144053. The reversal of 108144041 is 140441801.

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: 140441801 = 637322037.

It is a cyclic number.

It is not a de Polignac number, because 108144041 - 26 = 108143977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108143998 and 108144016.

It is not an unprimeable number, because it can be changed into a prime (108146041) 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, 256055 + ... + 256476.

It is an arithmetic number, because the mean of its divisors is an integer number (27164196).

Almost surely, 2108144041 is an apocalyptic number.

It is an amenable number.

108144041 is a deficient number, since it is larger than the sum of its proper divisors (512743).

108144041 is an equidigital number, since it uses as much as digits as its factorization.

108144041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512742.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 108144041 is about 10399.2327120803. The cubic root of 108144041 is about 476.4319352744.

Adding to 108144041 its reverse (140441801), we get a palindrome (248585842).

The spelling of 108144041 in words is "one hundred eight million, one hundred forty-four thousand, forty-one".

Divisors: 1 211 512531 108144041