Search a number
-
+
27849085 = 511506347
BaseRepresentation
bin110101000111…
…1000101111101
31221101212202121
41222033011331
524112132320
62432522541
7455466445
oct152170575
957355677
1027849085
11147a1480
1293b0451
135a00c64
1439ad125
1526a18aa
hex1a8f17d

27849085 has 8 divisors (see below), whose sum is σ = 36457056. Its totient is φ = 20253840.

The previous prime is 27849083. The next prime is 27849089. The reversal of 27849085 is 58094872.

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

It is not a de Polignac number, because 27849085 - 21 = 27849083 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 (27849083) 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, 253119 + ... + 253228.

It is an arithmetic number, because the mean of its divisors is an integer number (4557132).

Almost surely, 227849085 is an apocalyptic number.

It is an amenable number.

27849085 is a deficient number, since it is larger than the sum of its proper divisors (8607971).

27849085 is a wasteful number, since it uses less digits than its factorization.

27849085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506363.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 27849085 is about 5277.2232281760. The cubic root of 27849085 is about 303.1123583490.

The spelling of 27849085 in words is "twenty-seven million, eight hundred forty-nine thousand, eighty-five".

Divisors: 1 5 11 55 506347 2531735 5569817 27849085