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14794081 = 22216661
BaseRepresentation
bin111000011011…
…110101100001
31000211121122221
4320123311201
512241402311
61245031041
7236514301
oct70336541
930747587
1014794081
118395015
124b55481
1330ac9c3
141d71601
151473671
hexe1bd61

14794081 has 4 divisors (see below), whose sum is σ = 14802964. Its totient is φ = 14785200.

The previous prime is 14794033. The next prime is 14794111. The reversal of 14794081 is 18049741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18049741 = 37694789.

It can be written as a sum of positive squares in 2 ways, for example, as 12285025 + 2509056 = 3505^2 + 1584^2 .

It is a 3-Lehmer number, since φ(14794081) divides (14794081-1)3.

It is a cyclic number.

It is not a de Polignac number, because 14794081 - 211 = 14792033 is a prime.

It is a super-2 number, since 2×147940812 = 437729665269122, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 14794081 parts by 5439 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14794001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (3700741).

It is a Poulet number, since it divides 214794080-1.

Almost surely, 214794081 is an apocalyptic number.

14794081 is the 2221-st octagonal number.

It is an amenable number.

14794081 is a deficient number, since it is larger than the sum of its proper divisors (8883).

14794081 is an equidigital number, since it uses as much as digits as its factorization.

14794081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 14794081 is about 3846.3074500097. The cubic root of 14794081 is about 245.4874703765.

The spelling of 14794081 in words is "fourteen million, seven hundred ninety-four thousand, eighty-one".

Divisors: 1 2221 6661 14794081