Search a number
-
+
13982427 = 3213911177
BaseRepresentation
bin110101010101…
…101011011011
3222022101021200
4311111223123
512034414202
61215405243
7226564044
oct65255333
928271250
1013982427
117990228
124823823
132b87434
141bdd8cb
151362e1c
hexd55adb

13982427 has 12 divisors (see below), whose sum is σ = 20343960. Its totient is φ = 9253728.

The previous prime is 13982417. The next prime is 13982443. The reversal of 13982427 is 72428931.

It is not a de Polignac number, because 13982427 - 26 = 13982363 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13982391 and 13982400.

It is not an unprimeable number, because it can be changed into a prime (13982417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4338 + ... + 6839.

It is an arithmetic number, because the mean of its divisors is an integer number (1695330).

Almost surely, 213982427 is an apocalyptic number.

13982427 is a deficient number, since it is larger than the sum of its proper divisors (6361533).

13982427 is a wasteful number, since it uses less digits than its factorization.

13982427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322 (or 11319 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13982427 is about 3739.3083585070. The cubic root of 13982427 is about 240.9133426955.

The spelling of 13982427 in words is "thirteen million, nine hundred eighty-two thousand, four hundred twenty-seven".

Divisors: 1 3 9 139 417 1251 11177 33531 100593 1553603 4660809 13982427