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14085989 = 34940361
BaseRepresentation
bin110101101110…
…111101100101
3222111122100022
4311232331211
512101222424
61221524525
7230505011
oct65567545
928448308
1014085989
117a51015
124873745
132bc2608
141c29541
15138395e
hexd6ef65

14085989 has 4 divisors (see below), whose sum is σ = 14126700. Its totient is φ = 14045280.

The previous prime is 14085977. The next prime is 14086003. The reversal of 14085989 is 98958041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12285025 + 1800964 = 3505^2 + 1342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14085989 is a prime.

It is a super-2 number, since 2×140859892 = 396830172216242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14085889) 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, 19832 + ... + 20529.

It is an arithmetic number, because the mean of its divisors is an integer number (3531675).

Almost surely, 214085989 is an apocalyptic number.

It is an amenable number.

14085989 is a deficient number, since it is larger than the sum of its proper divisors (40711).

14085989 is an equidigital number, since it uses as much as digits as its factorization.

14085989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40710.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 14085989 is about 3753.1305599459. The cubic root of 14085989 is about 241.5066617963.

The spelling of 14085989 in words is "fourteen million, eighty-five thousand, nine hundred eighty-nine".

Divisors: 1 349 40361 14085989