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14678081 = 111334371
BaseRepresentation
bin110111111111…
…100001000001
31000121201112122
4313333201001
512224144311
61242334025
7235522145
oct67774101
930551478
1014678081
118315950
124aba315
13306bc72
141d41225
15144e0db
hexdff841

14678081 has 4 divisors (see below), whose sum is σ = 16012464. Its totient is φ = 13343700.

The previous prime is 14678077. The next prime is 14678099. The reversal of 14678081 is 18087641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14678081 - 22 = 14678077 is a prime.

It is a super-2 number, since 2×146780812 = 430892123685122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14678981) 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, 667175 + ... + 667196.

It is an arithmetic number, because the mean of its divisors is an integer number (4003116).

Almost surely, 214678081 is an apocalyptic number.

14678081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14678081 is a deficient number, since it is larger than the sum of its proper divisors (1334383).

14678081 is a wasteful number, since it uses less digits than its factorization.

14678081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334382.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 14678081 is about 3831.1983764874. The cubic root of 14678081 is about 244.8441657910.

The spelling of 14678081 in words is "fourteen million, six hundred seventy-eight thousand, eighty-one".

Divisors: 1 11 1334371 14678081