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14513641 = 73198817
BaseRepresentation
bin110111010111…
…010111101001
31000022100222021
4313113113221
512203414031
61235024441
7234235552
oct67272751
930270867
1014513641
11821334a
124a3b121
13301216c
141cdb329
15141a511
hexdd75e9

14513641 has 4 divisors (see below), whose sum is σ = 14712532. Its totient is φ = 14314752.

The previous prime is 14513623. The next prime is 14513651. The reversal of 14513641 is 14631541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14631541 = 29349937.

It can be written as a sum of positive squares in 2 ways, for example, as 11758041 + 2755600 = 3429^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 14513641 - 211 = 14511593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14513651) 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, 99336 + ... + 99481.

It is an arithmetic number, because the mean of its divisors is an integer number (3678133).

Almost surely, 214513641 is an apocalyptic number.

It is an amenable number.

14513641 is a deficient number, since it is larger than the sum of its proper divisors (198891).

14513641 is an equidigital number, since it uses as much as digits as its factorization.

14513641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198890.

The product of its digits is 1440, while the sum is 25.

The square root of 14513641 is about 3809.6772829204. The cubic root of 14513641 is about 243.9263920671.

The spelling of 14513641 in words is "fourteen million, five hundred thirteen thousand, six hundred forty-one".

Divisors: 1 73 198817 14513641