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BaseRepresentation
bin1111110010000001111101
321210012000101
433302001331
52024341320
6224401101
750110321
oct17620175
97705011
104137085
112376287
121476191
13b1b0a4
14799981
1556ac0a
hex3f207d

4137085 has 4 divisors (see below), whose sum is σ = 4964508. Its totient is φ = 3309664.

The previous prime is 4137083. The next prime is 4137097. The reversal of 4137085 is 5807314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5807314 = 22903657.

It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 1223236 = 1707^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 4137085 - 21 = 4137083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4137083) 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, 413704 + ... + 413713.

It is an arithmetic number, because the mean of its divisors is an integer number (1241127).

Almost surely, 24137085 is an apocalyptic number.

It is an amenable number.

4137085 is a deficient number, since it is larger than the sum of its proper divisors (827423).

4137085 is an equidigital number, since it uses as much as digits as its factorization.

4137085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827422.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 4137085 is about 2033.9825466311. The cubic root of 4137085 is about 160.5331821935.

The spelling of 4137085 in words is "four million, one hundred thirty-seven thousand, eighty-five".

Divisors: 1 5 827417 4137085