Search a number
-
+
1849342085 = 5699752861
BaseRepresentation
bin110111000111010…
…1011100010000101
311202212212022102022
41232032223202011
512241412421320
6503301452525
763554101613
oct15616534205
94685768368
101849342085
118699a6098
12437411145
132361a7b76
1413787c6b3
15ac553325
hex6e3ab885

1849342085 has 8 divisors (see below), whose sum is σ = 2219569656. Its totient is φ = 1479234240.

The previous prime is 1849342081. The next prime is 1849342109. The reversal of 1849342085 is 5802439481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 175059361 + 1674282724 = 13231^2 + 40918^2 .

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

It is not a de Polignac number, because 1849342085 - 22 = 1849342081 is a prime.

It is a super-2 number, since 2×18493420852 = 6840132294704294450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849342081) 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, 8555 + ... + 61415.

It is an arithmetic number, because the mean of its divisors is an integer number (277446207).

Almost surely, 21849342085 is an apocalyptic number.

It is an amenable number.

1849342085 is a deficient number, since it is larger than the sum of its proper divisors (370227571).

1849342085 is an equidigital number, since it uses as much as digits as its factorization.

1849342085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59863.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 1849342085 is about 43003.9775485943. The cubic root of 1849342085 is about 1227.4554851308.

The spelling of 1849342085 in words is "one billion, eight hundred forty-nine million, three hundred forty-two thousand, eighty-five".

Divisors: 1 5 6997 34985 52861 264305 369868417 1849342085