Search a number
-
+
27408198 = 234568033
BaseRepresentation
bin110100010001…
…1011101000110
31220120110222110
41220203131012
524004030243
62415241450
7451652166
oct150433506
956513873
1027408198
1114520204
129219286
1358a838c
1438d65a6
152615e33
hex1a23746

27408198 has 8 divisors (see below), whose sum is σ = 54816408. Its totient is φ = 9136064.

The previous prime is 27408193. The next prime is 27408253. The reversal of 27408198 is 89180472.

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

27408198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27408193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284011 + ... + 2284022.

It is an arithmetic number, because the mean of its divisors is an integer number (6852051).

Almost surely, 227408198 is an apocalyptic number.

27408198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27408198 is a wasteful number, since it uses less digits than its factorization.

27408198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568038.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 27408198 is about 5235.2839464541. The cubic root of 27408198 is about 301.5042888867.

The spelling of 27408198 in words is "twenty-seven million, four hundred eight thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 4568033 9136066 13704099 27408198