Search a number
-
+
13827998 = 213949741
BaseRepresentation
bin110100101111…
…111110011110
3222000112110002
4310233332132
512014443443
61212214302
7225351602
oct64577636
928015402
1013827998
1178951a8
12476a392
132b32062
141b9d502
1513322b8
hexd2ff9e

13827998 has 8 divisors (see below), whose sum is σ = 20891640. Its totient is φ = 6864120.

The previous prime is 13827977. The next prime is 13828039. The reversal of 13827998 is 89972831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24593 + ... + 25148.

It is an arithmetic number, because the mean of its divisors is an integer number (2611455).

Almost surely, 213827998 is an apocalyptic number.

13827998 is a deficient number, since it is larger than the sum of its proper divisors (7063642).

13827998 is a wasteful number, since it uses less digits than its factorization.

13827998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49882.

The product of its digits is 217728, while the sum is 47.

The square root of 13827998 is about 3718.6016188885. The cubic root of 13827998 is about 240.0231343440.

The spelling of 13827998 in words is "thirteen million, eight hundred twenty-seven thousand, nine hundred ninety-eight".

Divisors: 1 2 139 278 49741 99482 6913999 13827998