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108047141 = 372920193
BaseRepresentation
bin1100111000010…
…10101100100101
321112022100210222
412130022230211
5210130002031
614415454125
72451246146
oct634125445
9245270728
10108047141
1155a98464
1230227345
1319500527
14104c7acd
159743e7b
hex670ab25

108047141 has 4 divisors (see below), whose sum is σ = 110967372. Its totient is φ = 105126912.

The previous prime is 108047131. The next prime is 108047143. The reversal of 108047141 is 141740801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141740801 = 293483757.

It can be written as a sum of positive squares in 2 ways, for example, as 93683041 + 14364100 = 9679^2 + 3790^2 .

It is a cyclic number.

It is not a de Polignac number, because 108047141 - 210 = 108046117 is a prime.

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 108047141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108047143) 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, 1460060 + ... + 1460133.

It is an arithmetic number, because the mean of its divisors is an integer number (27741843).

Almost surely, 2108047141 is an apocalyptic number.

It is an amenable number.

108047141 is a deficient number, since it is larger than the sum of its proper divisors (2920231).

108047141 is an equidigital number, since it uses as much as digits as its factorization.

108047141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920230.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 108047141 is about 10394.5726703891. The cubic root of 108047141 is about 476.2895940977.

Adding to 108047141 its reverse (141740801), we get a palindrome (249787942).

The spelling of 108047141 in words is "one hundred eight million, forty-seven thousand, one hundred forty-one".

Divisors: 1 37 2920193 108047141