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14913641 = 17899857
BaseRepresentation
bin111000111001…
…000001101001
31001001200200002
4320321001221
512304214031
61251352345
7240523001
oct70710151
931050602
1014913641
118466926
124bb26b5
133122252
141da3001
151498ccb
hexe39069

14913641 has 8 divisors (see below), whose sum is σ = 15969960. Its totient is φ = 13877248.

The previous prime is 14913611. The next prime is 14913643. The reversal of 14913641 is 14631941.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 13542400 = 1171^2 + 3680^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14913641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14913643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (1996245).

Almost surely, 214913641 is an apocalyptic number.

It is an amenable number.

14913641 is a deficient number, since it is larger than the sum of its proper divisors (1056319).

14913641 is an equidigital number, since it uses as much as digits as its factorization.

14913641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963.

The product of its digits is 2592, while the sum is 29.

The square root of 14913641 is about 3861.8183540918. The cubic root of 14913641 is about 246.1470082160.

The spelling of 14913641 in words is "fourteen million, nine hundred thirteen thousand, six hundred forty-one".

Divisors: 1 17 89 1513 9857 167569 877273 14913641