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14028409 = 109179719
BaseRepresentation
bin110101100000…
…111001111001
3222101201100201
4311200321321
512042402114
61220402201
7230145103
oct65407171
928351321
1014028409
117a1182a
124846361
132ba2345
141c12573
151371874
hexd60e79

14028409 has 8 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 13802832.

The previous prime is 14028407. The next prime is 14028433. The reversal of 14028409 is 90482041.

14028409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14028409 - 21 = 14028407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14028407) 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 7 ways as a sum of consecutive naturals, for example, 19152 + ... + 19870.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 214028409 is an apocalyptic number.

It is an amenable number.

14028409 is a deficient number, since it is larger than the sum of its proper divisors (227591).

14028409 is a wasteful number, since it uses less digits than its factorization.

14028409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 14028409 is about 3745.4517751534. The cubic root of 14028409 is about 241.1771394425.

The spelling of 14028409 in words is "fourteen million, twenty-eight thousand, four hundred nine".

Divisors: 1 109 179 719 19511 78371 128701 14028409