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14028971 = 111275361
BaseRepresentation
bin110101100001…
…000010101011
3222101202010112
4311201002223
512042411341
61220404535
7230146535
oct65410253
928352115
1014028971
117a121a0
12484674b
132ba2688
141c12855
151371aeb
hexd610ab

14028971 has 4 divisors (see below), whose sum is σ = 15304344. Its totient is φ = 12753600.

The previous prime is 14028947. The next prime is 14028991. The reversal of 14028971 is 17982041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14028971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14028991) 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, 637670 + ... + 637691.

It is an arithmetic number, because the mean of its divisors is an integer number (3826086).

Almost surely, 214028971 is an apocalyptic number.

14028971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14028971 is a deficient number, since it is larger than the sum of its proper divisors (1275373).

14028971 is a wasteful number, since it uses less digits than its factorization.

14028971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275372.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 14028971 is about 3745.5267987294. The cubic root of 14028971 is about 241.1803600439.

The spelling of 14028971 in words is "fourteen million, twenty-eight thousand, nine hundred seventy-one".

Divisors: 1 11 1275361 14028971