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14871057 = 34957019
BaseRepresentation
bin111000101110…
…101000010001
31000222112020220
4320232220101
512301333212
61250423253
7240254565
oct70565021
930875226
1014871057
118437933
124b91b29
133108a56
141d916a5
15148b38c
hexe2ea11

14871057 has 4 divisors (see below), whose sum is σ = 19828080. Its totient is φ = 9914036.

The previous prime is 14871047. The next prime is 14871061. The reversal of 14871057 is 75017841.

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: 75017841 = 325005947.

It is a cyclic number.

It is not a de Polignac number, because 14871057 - 26 = 14870993 is a prime.

It is a super-2 number, since 2×148710572 = 442296672594498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14871047) 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 3 ways as a sum of consecutive naturals, for example, 2478507 + ... + 2478512.

It is an arithmetic number, because the mean of its divisors is an integer number (4957020).

Almost surely, 214871057 is an apocalyptic number.

It is an amenable number.

14871057 is a deficient number, since it is larger than the sum of its proper divisors (4957023).

14871057 is an equidigital number, since it uses as much as digits as its factorization.

14871057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957022.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 14871057 is about 3856.3009477996. The cubic root of 14871057 is about 245.9125044117.

Adding to 14871057 its reverse (75017841), we get a palindrome (89888898).

The spelling of 14871057 in words is "fourteen million, eight hundred seventy-one thousand, fifty-seven".

Divisors: 1 3 4957019 14871057