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13814501 = 19727079
BaseRepresentation
bin110100101100…
…101011100101
3221222211221012
4310230223211
512014031001
61212032005
7225264341
oct64545345
927884835
1013814501
117886048
124762605
132b28b7c
141b98621
15132d2bb
hexd2cae5

13814501 has 4 divisors (see below), whose sum is σ = 14541600. Its totient is φ = 13087404.

The previous prime is 13814497. The next prime is 13814519. The reversal of 13814501 is 10541831.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10541831 = 18115821.

It is a cyclic number.

It is not a de Polignac number, because 13814501 - 22 = 13814497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13816501) 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, 363521 + ... + 363558.

It is an arithmetic number, because the mean of its divisors is an integer number (3635400).

Almost surely, 213814501 is an apocalyptic number.

It is an amenable number.

13814501 is a deficient number, since it is larger than the sum of its proper divisors (727099).

13814501 is an equidigital number, since it uses as much as digits as its factorization.

13814501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727098.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 13814501 is about 3716.7863807327. The cubic root of 13814501 is about 239.9450163395.

The spelling of 13814501 in words is "thirteen million, eight hundred fourteen thousand, five hundred one".

Divisors: 1 19 727079 13814501