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4085737 = 7397577
BaseRepresentation
bin1111100101011111101001
321200120120121
433211133221
52021220422
6223323241
746504525
oct17453751
97616517
104085737
112340747
121450521
13b008c6
14784d85
1555a8c7
hex3e57e9

4085737 has 8 divisors (see below), whose sum is σ = 4191656. Its totient is φ = 3981312.

The previous prime is 4085699. The next prime is 4085747. The reversal of 4085737 is 7375804.

It can be written as a sum of positive squares in 4 ways, for example, as 1907161 + 2178576 = 1381^2 + 1476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(4085737) divides (4085737-1)5.

It is a cyclic number.

It is not a de Polignac number, because 4085737 - 215 = 4052969 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 (4085747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6793 + ... + 7369.

It is an arithmetic number, because the mean of its divisors is an integer number (523957).

Almost surely, 24085737 is an apocalyptic number.

It is an amenable number.

4085737 is a deficient number, since it is larger than the sum of its proper divisors (105919).

4085737 is an equidigital number, since it uses as much as digits as its factorization.

4085737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 4085737 is about 2021.3206079195. The cubic root of 4085737 is about 159.8662554211.

The spelling of 4085737 in words is "four million, eighty-five thousand, seven hundred thirty-seven".

Divisors: 1 73 97 577 7081 42121 55969 4085737